Home / 15,624.88-21,554.85-9,654.37

Finding the Fourth Proportional to 15,624.88, 21,554.85 and 9,654.37

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Solution

The fourth proportional to 15,624.88, 21,554.85 and 9,654.37 is: 13,318.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,624.88 : 21,554.85 = 9,654.37 : x
  2. Step 2: Convert to fraction form
    15,624.88/21,554.85 = 9,654.37/x
  3. Step 3: Cross multiply
    15,624.88x = 21,554.85 × 9,654.37
  4. Step 4: Simplify right side
    15,624.88x = 208,098,497.19
  5. Step 5: Solve for x
    x = 208,098,497.19/15,624.88
  6. Step 6: Final answer
    x = 13,318.41

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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.