Home / 10,282.20-15,423.18-4,126.20

Finding the Fourth Proportional to 10,282.20, 15,423.18 and 4,126.20

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Solution

The fourth proportional to 10,282.20, 15,423.18 and 4,126.20 is: 6,189.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,282.20 : 15,423.18 = 4,126.20 : x
  2. Step 2: Convert to fraction form
    10,282.20/15,423.18 = 4,126.20/x
  3. Step 3: Cross multiply
    10,282.20x = 15,423.18 × 4,126.20
  4. Step 4: Simplify right side
    10,282.20x = 63,639,125.32
  5. Step 5: Solve for x
    x = 63,639,125.32/10,282.20
  6. Step 6: Final answer
    x = 6,189.25

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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.