Home / 14,686.02-20,251.80-12,568.58

Finding the Fourth Proportional to 14,686.02, 20,251.80 and 12,568.58

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Solution

The fourth proportional to 14,686.02, 20,251.80 and 12,568.58 is: 17,331.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,686.02 : 20,251.80 = 12,568.58 : x
  2. Step 2: Convert to fraction form
    14,686.02/20,251.80 = 12,568.58/x
  3. Step 3: Cross multiply
    14,686.02x = 20,251.80 × 12,568.58
  4. Step 4: Simplify right side
    14,686.02x = 254,536,267.19
  5. Step 5: Solve for x
    x = 254,536,267.19/14,686.02
  6. Step 6: Final answer
    x = 17,331.88

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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.