Home / 13,043.28-17,999.60-7,074.92

Finding the Fourth Proportional to 13,043.28, 17,999.60 and 7,074.92

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Solution

The fourth proportional to 13,043.28, 17,999.60 and 7,074.92 is: 9,763.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,043.28 : 17,999.60 = 7,074.92 : x
  2. Step 2: Convert to fraction form
    13,043.28/17,999.60 = 7,074.92/x
  3. Step 3: Cross multiply
    13,043.28x = 17,999.60 × 7,074.92
  4. Step 4: Simplify right side
    13,043.28x = 127,345,730.03
  5. Step 5: Solve for x
    x = 127,345,730.03/13,043.28
  6. Step 6: Final answer
    x = 9,763.32

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Double scale
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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.