Home / 12,154.29-16,772.96-6,849.19

Finding the Fourth Proportional to 12,154.29, 16,772.96 and 6,849.19

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Solution

The fourth proportional to 12,154.29, 16,772.96 and 6,849.19 is: 9,451.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,154.29 : 16,772.96 = 6,849.19 : x
  2. Step 2: Convert to fraction form
    12,154.29/16,772.96 = 6,849.19/x
  3. Step 3: Cross multiply
    12,154.29x = 16,772.96 × 6,849.19
  4. Step 4: Simplify right side
    12,154.29x = 114,881,155.66
  5. Step 5: Solve for x
    x = 114,881,155.66/12,154.29
  6. Step 6: Final answer
    x = 9,451.91

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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.