Home / 15,284.52-21,087.90-9,624.96

Finding the Fourth Proportional to 15,284.52, 21,087.90 and 9,624.96

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Solution

The fourth proportional to 15,284.52, 21,087.90 and 9,624.96 is: 13,279.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,284.52 : 21,087.90 = 9,624.96 : x
  2. Step 2: Convert to fraction form
    15,284.52/21,087.90 = 9,624.96/x
  3. Step 3: Cross multiply
    15,284.52x = 21,087.90 × 9,624.96
  4. Step 4: Simplify right side
    15,284.52x = 202,970,193.98
  5. Step 5: Solve for x
    x = 202,970,193.98/15,284.52
  6. Step 6: Final answer
    x = 13,279.46

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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.