Home / 10,523.56-15,785.36-5,909.80

Finding the Fourth Proportional to 10,523.56, 15,785.36 and 5,909.80

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Solution

The fourth proportional to 10,523.56, 15,785.36 and 5,909.80 is: 8,864.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,523.56 : 15,785.36 = 5,909.80 : x
  2. Step 2: Convert to fraction form
    10,523.56/15,785.36 = 5,909.80/x
  3. Step 3: Cross multiply
    10,523.56x = 15,785.36 × 5,909.80
  4. Step 4: Simplify right side
    10,523.56x = 93,288,320.53
  5. Step 5: Solve for x
    x = 93,288,320.53/10,523.56
  6. Step 6: Final answer
    x = 8,864.71

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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.