Home / 10,642.38-15,956.70-5,095.59

Finding the Fourth Proportional to 10,642.38, 15,956.70 and 5,095.59

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Solution

The fourth proportional to 10,642.38, 15,956.70 and 5,095.59 is: 7,640.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,642.38 : 15,956.70 = 5,095.59 : x
  2. Step 2: Convert to fraction form
    10,642.38/15,956.70 = 5,095.59/x
  3. Step 3: Cross multiply
    10,642.38x = 15,956.70 × 5,095.59
  4. Step 4: Simplify right side
    10,642.38x = 81,308,800.95
  5. Step 5: Solve for x
    x = 81,308,800.95/10,642.38
  6. Step 6: Final answer
    x = 7,640.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.