Home / 15,837.50-23,758.68-11,487.80

Finding the Fourth Proportional to 15,837.50, 23,758.68 and 11,487.80

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Solution

The fourth proportional to 15,837.50, 23,758.68 and 11,487.80 is: 17,233.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,837.50 : 23,758.68 = 11,487.80 : x
  2. Step 2: Convert to fraction form
    15,837.50/23,758.68 = 11,487.80/x
  3. Step 3: Cross multiply
    15,837.50x = 23,758.68 × 11,487.80
  4. Step 4: Simplify right side
    15,837.50x = 272,934,964.10
  5. Step 5: Solve for x
    x = 272,934,964.10/15,837.50
  6. Step 6: Final answer
    x = 17,233.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.