Home / 17,909.02-26,863.65-4,761.28

Finding the Fourth Proportional to 17,909.02, 26,863.65 and 4,761.28

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Solution

The fourth proportional to 17,909.02, 26,863.65 and 4,761.28 is: 7,141.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,909.02 : 26,863.65 = 4,761.28 : x
  2. Step 2: Convert to fraction form
    17,909.02/26,863.65 = 4,761.28/x
  3. Step 3: Cross multiply
    17,909.02x = 26,863.65 × 4,761.28
  4. Step 4: Simplify right side
    17,909.02x = 127,905,393.05
  5. Step 5: Solve for x
    x = 127,905,393.05/17,909.02
  6. Step 6: Final answer
    x = 7,141.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.