Home / 10,621.05-15,909.70-6,227.92

Finding the Fourth Proportional to 10,621.05, 15,909.70 and 6,227.92

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Solution

The fourth proportional to 10,621.05, 15,909.70 and 6,227.92 is: 9,329.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,621.05 : 15,909.70 = 6,227.92 : x
  2. Step 2: Convert to fraction form
    10,621.05/15,909.70 = 6,227.92/x
  3. Step 3: Cross multiply
    10,621.05x = 15,909.70 × 6,227.92
  4. Step 4: Simplify right side
    10,621.05x = 99,084,228.14
  5. Step 5: Solve for x
    x = 99,084,228.14/10,621.05
  6. Step 6: Final answer
    x = 9,329.04

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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.