Home / 10,282.66-15,424.89-2,887.18

Finding the Fourth Proportional to 10,282.66, 15,424.89 and 2,887.18

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Solution

The fourth proportional to 10,282.66, 15,424.89 and 2,887.18 is: 4,331.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,282.66 : 15,424.89 = 2,887.18 : x
  2. Step 2: Convert to fraction form
    10,282.66/15,424.89 = 2,887.18/x
  3. Step 3: Cross multiply
    10,282.66x = 15,424.89 × 2,887.18
  4. Step 4: Simplify right side
    10,282.66x = 44,534,433.91
  5. Step 5: Solve for x
    x = 44,534,433.91/10,282.66
  6. Step 6: Final answer
    x = 4,331.02

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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.