Home / 14,769.38-20,382.12-9,107.86

Finding the Fourth Proportional to 14,769.38, 20,382.12 and 9,107.86

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Solution

The fourth proportional to 14,769.38, 20,382.12 and 9,107.86 is: 12,569.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,769.38 : 20,382.12 = 9,107.86 : x
  2. Step 2: Convert to fraction form
    14,769.38/20,382.12 = 9,107.86/x
  3. Step 3: Cross multiply
    14,769.38x = 20,382.12 × 9,107.86
  4. Step 4: Simplify right side
    14,769.38x = 185,637,495.46
  5. Step 5: Solve for x
    x = 185,637,495.46/14,769.38
  6. Step 6: Final answer
    x = 12,569.08

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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.