Home / 14,685.05-20,254.89-10,371.20

Finding the Fourth Proportional to 14,685.05, 20,254.89 and 10,371.20

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Solution

The fourth proportional to 14,685.05, 20,254.89 and 10,371.20 is: 14,304.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,685.05 : 20,254.89 = 10,371.20 : x
  2. Step 2: Convert to fraction form
    14,685.05/20,254.89 = 10,371.20/x
  3. Step 3: Cross multiply
    14,685.05x = 20,254.89 × 10,371.20
  4. Step 4: Simplify right side
    14,685.05x = 210,067,515.17
  5. Step 5: Solve for x
    x = 210,067,515.17/14,685.05
  6. Step 6: Final answer
    x = 14,304.86

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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.