Home / 14,685.13-20,282.29-9,671.76

Finding the Fourth Proportional to 14,685.13, 20,282.29 and 9,671.76

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Solution

The fourth proportional to 14,685.13, 20,282.29 and 9,671.76 is: 13,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,685.13 : 20,282.29 = 9,671.76 : x
  2. Step 2: Convert to fraction form
    14,685.13/20,282.29 = 9,671.76/x
  3. Step 3: Cross multiply
    14,685.13x = 20,282.29 × 9,671.76
  4. Step 4: Simplify right side
    14,685.13x = 196,165,441.13
  5. Step 5: Solve for x
    x = 196,165,441.13/14,685.13
  6. Step 6: Final answer
    x = 13,358.10

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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.