Home / 10,282.60-15,423.90-2,887.30

Finding the Fourth Proportional to 10,282.60, 15,423.90 and 2,887.30

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Solution

The fourth proportional to 10,282.60, 15,423.90 and 2,887.30 is: 4,330.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,282.60 : 15,423.90 = 2,887.30 : x
  2. Step 2: Convert to fraction form
    10,282.60/15,423.90 = 2,887.30/x
  3. Step 3: Cross multiply
    10,282.60x = 15,423.90 × 2,887.30
  4. Step 4: Simplify right side
    10,282.60x = 44,533,426.47
  5. Step 5: Solve for x
    x = 44,533,426.47/10,282.60
  6. Step 6: Final answer
    x = 4,330.95

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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.