Home / 12,755.92-19,130.16-4,962.88

Finding the Fourth Proportional to 12,755.92, 19,130.16 and 4,962.88

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Solution

The fourth proportional to 12,755.92, 19,130.16 and 4,962.88 is: 7,442.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,755.92 : 19,130.16 = 4,962.88 : x
  2. Step 2: Convert to fraction form
    12,755.92/19,130.16 = 4,962.88/x
  3. Step 3: Cross multiply
    12,755.92x = 19,130.16 × 4,962.88
  4. Step 4: Simplify right side
    12,755.92x = 94,940,688.46
  5. Step 5: Solve for x
    x = 94,940,688.46/12,755.92
  6. Step 6: Final answer
    x = 7,442.87

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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.