Home / 15,244.13-21,036.84-9,275.69

Finding the Fourth Proportional to 15,244.13, 21,036.84 and 9,275.69

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Solution

The fourth proportional to 15,244.13, 21,036.84 and 9,275.69 is: 12,800.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,244.13 : 21,036.84 = 9,275.69 : x
  2. Step 2: Convert to fraction form
    15,244.13/21,036.84 = 9,275.69/x
  3. Step 3: Cross multiply
    15,244.13x = 21,036.84 × 9,275.69
  4. Step 4: Simplify right side
    15,244.13x = 195,131,206.42
  5. Step 5: Solve for x
    x = 195,131,206.42/15,244.13
  6. Step 6: Final answer
    x = 12,800.42

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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.