Home / 10,135.42-15,210.92-6,624.47

Finding the Fourth Proportional to 10,135.42, 15,210.92 and 6,624.47

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Solution

The fourth proportional to 10,135.42, 15,210.92 and 6,624.47 is: 9,941.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,135.42 : 15,210.92 = 6,624.47 : x
  2. Step 2: Convert to fraction form
    10,135.42/15,210.92 = 6,624.47/x
  3. Step 3: Cross multiply
    10,135.42x = 15,210.92 × 6,624.47
  4. Step 4: Simplify right side
    10,135.42x = 100,764,337.80
  5. Step 5: Solve for x
    x = 100,764,337.80/10,135.42
  6. Step 6: Final answer
    x = 9,941.80

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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.