Home / 10,282.59-15,424.70-2,887.65

Finding the Fourth Proportional to 10,282.59, 15,424.70 and 2,887.65

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Solution

The fourth proportional to 10,282.59, 15,424.70 and 2,887.65 is: 4,331.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,282.59 : 15,424.70 = 2,887.65 : x
  2. Step 2: Convert to fraction form
    10,282.59/15,424.70 = 2,887.65/x
  3. Step 3: Cross multiply
    10,282.59x = 15,424.70 × 2,887.65
  4. Step 4: Simplify right side
    10,282.59x = 44,541,120.52
  5. Step 5: Solve for x
    x = 44,541,120.52/10,282.59
  6. Step 6: Final answer
    x = 4,331.70

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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.