Home / 15,590.52-21,508.07-9,299.25

Finding the Fourth Proportional to 15,590.52, 21,508.07 and 9,299.25

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Solution

The fourth proportional to 15,590.52, 21,508.07 and 9,299.25 is: 12,828.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,590.52 : 21,508.07 = 9,299.25 : x
  2. Step 2: Convert to fraction form
    15,590.52/21,508.07 = 9,299.25/x
  3. Step 3: Cross multiply
    15,590.52x = 21,508.07 × 9,299.25
  4. Step 4: Simplify right side
    15,590.52x = 200,008,873.45
  5. Step 5: Solve for x
    x = 200,008,873.45/15,590.52
  6. Step 6: Final answer
    x = 12,828.88

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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.