Home / 15,452.30-21,320.60-10,425.84

Finding the Fourth Proportional to 15,452.30, 21,320.60 and 10,425.84

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Solution

The fourth proportional to 15,452.30, 21,320.60 and 10,425.84 is: 14,385.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,452.30 : 21,320.60 = 10,425.84 : x
  2. Step 2: Convert to fraction form
    15,452.30/21,320.60 = 10,425.84/x
  3. Step 3: Cross multiply
    15,452.30x = 21,320.60 × 10,425.84
  4. Step 4: Simplify right side
    15,452.30x = 222,285,112.17
  5. Step 5: Solve for x
    x = 222,285,112.17/15,452.30
  6. Step 6: Final answer
    x = 14,385.25

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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.