Home / 15,404.02-21,262.99-9,116.38

Finding the Fourth Proportional to 15,404.02, 21,262.99 and 9,116.38

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Solution

The fourth proportional to 15,404.02, 21,262.99 and 9,116.38 is: 12,583.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,404.02 : 21,262.99 = 9,116.38 : x
  2. Step 2: Convert to fraction form
    15,404.02/21,262.99 = 9,116.38/x
  3. Step 3: Cross multiply
    15,404.02x = 21,262.99 × 9,116.38
  4. Step 4: Simplify right side
    15,404.02x = 193,841,390.46
  5. Step 5: Solve for x
    x = 193,841,390.46/15,404.02
  6. Step 6: Final answer
    x = 12,583.82

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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.