Home / 15,590.30-21,520.77-9,624.38

Finding the Fourth Proportional to 15,590.30, 21,520.77 and 9,624.38

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Solution

The fourth proportional to 15,590.30, 21,520.77 and 9,624.38 is: 13,285.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,590.30 : 21,520.77 = 9,624.38 : x
  2. Step 2: Convert to fraction form
    15,590.30/21,520.77 = 9,624.38/x
  3. Step 3: Cross multiply
    15,590.30x = 21,520.77 × 9,624.38
  4. Step 4: Simplify right side
    15,590.30x = 207,124,068.37
  5. Step 5: Solve for x
    x = 207,124,068.37/15,590.30
  6. Step 6: Final answer
    x = 13,285.44

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Half scale
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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.