Home / 14,728.12-20,322.04-8,761.26

Finding the Fourth Proportional to 14,728.12, 20,322.04 and 8,761.26

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Solution

The fourth proportional to 14,728.12, 20,322.04 and 8,761.26 is: 12,088.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,728.12 : 20,322.04 = 8,761.26 : x
  2. Step 2: Convert to fraction form
    14,728.12/20,322.04 = 8,761.26/x
  3. Step 3: Cross multiply
    14,728.12x = 20,322.04 × 8,761.26
  4. Step 4: Simplify right side
    14,728.12x = 178,046,676.17
  5. Step 5: Solve for x
    x = 178,046,676.17/14,728.12
  6. Step 6: Final answer
    x = 12,088.89

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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.