Home / 15,605.46-21,542.76-9,230.04

Finding the Fourth Proportional to 15,605.46, 21,542.76 and 9,230.04

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Solution

The fourth proportional to 15,605.46, 21,542.76 and 9,230.04 is: 12,741.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,605.46 : 21,542.76 = 9,230.04 : x
  2. Step 2: Convert to fraction form
    15,605.46/21,542.76 = 9,230.04/x
  3. Step 3: Cross multiply
    15,605.46x = 21,542.76 × 9,230.04
  4. Step 4: Simplify right side
    15,605.46x = 198,840,536.51
  5. Step 5: Solve for x
    x = 198,840,536.51/15,605.46
  6. Step 6: Final answer
    x = 12,741.73

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Double 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.