Home / 10,246.70-15,377.36-7,909.04

Finding the Fourth Proportional to 10,246.70, 15,377.36 and 7,909.04

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Solution

The fourth proportional to 10,246.70, 15,377.36 and 7,909.04 is: 11,869.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,246.70 : 15,377.36 = 7,909.04 : x
  2. Step 2: Convert to fraction form
    10,246.70/15,377.36 = 7,909.04/x
  3. Step 3: Cross multiply
    10,246.70x = 15,377.36 × 7,909.04
  4. Step 4: Simplify right side
    10,246.70x = 121,620,154.23
  5. Step 5: Solve for x
    x = 121,620,154.23/10,246.70
  6. Step 6: Final answer
    x = 11,869.20

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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.