Home / 12,929.29-17,850.59-8,948.95

Finding the Fourth Proportional to 12,929.29, 17,850.59 and 8,948.95

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Solution

The fourth proportional to 12,929.29, 17,850.59 and 8,948.95 is: 12,355.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,929.29 : 17,850.59 = 8,948.95 : x
  2. Step 2: Convert to fraction form
    12,929.29/17,850.59 = 8,948.95/x
  3. Step 3: Cross multiply
    12,929.29x = 17,850.59 × 8,948.95
  4. Step 4: Simplify right side
    12,929.29x = 159,744,037.38
  5. Step 5: Solve for x
    x = 159,744,037.38/12,929.29
  6. Step 6: Final answer
    x = 12,355.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.