Home / 15,943.60-22,001.23-9,228.75

Finding the Fourth Proportional to 15,943.60, 22,001.23 and 9,228.75

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Solution

The fourth proportional to 15,943.60, 22,001.23 and 9,228.75 is: 12,735.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,943.60 : 22,001.23 = 9,228.75 : x
  2. Step 2: Convert to fraction form
    15,943.60/22,001.23 = 9,228.75/x
  3. Step 3: Cross multiply
    15,943.60x = 22,001.23 × 9,228.75
  4. Step 4: Simplify right side
    15,943.60x = 203,043,851.36
  5. Step 5: Solve for x
    x = 203,043,851.36/15,943.60
  6. Step 6: Final answer
    x = 12,735.13

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.