Home / 15,747.68-23,607.38-14,378.06

Finding the Fourth Proportional to 15,747.68, 23,607.38 and 14,378.06

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Solution

The fourth proportional to 15,747.68, 23,607.38 and 14,378.06 is: 21,554.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,747.68 : 23,607.38 = 14,378.06 : x
  2. Step 2: Convert to fraction form
    15,747.68/23,607.38 = 14,378.06/x
  3. Step 3: Cross multiply
    15,747.68x = 23,607.38 × 14,378.06
  4. Step 4: Simplify right side
    15,747.68x = 339,428,326.08
  5. Step 5: Solve for x
    x = 339,428,326.08/15,747.68
  6. Step 6: Final answer
    x = 21,554.18

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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.