Home / 18,721.18-25,835.07-10,337.50

Finding the Fourth Proportional to 18,721.18, 25,835.07 and 10,337.50

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Solution

The fourth proportional to 18,721.18, 25,835.07 and 10,337.50 is: 14,265.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,721.18 : 25,835.07 = 10,337.50 : x
  2. Step 2: Convert to fraction form
    18,721.18/25,835.07 = 10,337.50/x
  3. Step 3: Cross multiply
    18,721.18x = 25,835.07 × 10,337.50
  4. Step 4: Simplify right side
    18,721.18x = 267,070,036.13
  5. Step 5: Solve for x
    x = 267,070,036.13/18,721.18
  6. Step 6: Final answer
    x = 14,265.66

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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.