Home / 15,935.04-23,785.26-13,869.60

Finding the Fourth Proportional to 15,935.04, 23,785.26 and 13,869.60

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Solution

The fourth proportional to 15,935.04, 23,785.26 and 13,869.60 is: 20,702.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,935.04 : 23,785.26 = 13,869.60 : x
  2. Step 2: Convert to fraction form
    15,935.04/23,785.26 = 13,869.60/x
  3. Step 3: Cross multiply
    15,935.04x = 23,785.26 × 13,869.60
  4. Step 4: Simplify right side
    15,935.04x = 329,892,042.10
  5. Step 5: Solve for x
    x = 329,892,042.10/15,935.04
  6. Step 6: Final answer
    x = 20,702.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.