Home / 9,112.10-13,646.96-8,862.89

Finding the Fourth Proportional to 9,112.10, 13,646.96 and 8,862.89

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Solution

The fourth proportional to 9,112.10, 13,646.96 and 8,862.89 is: 13,273.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,112.10 : 13,646.96 = 8,862.89 : x
  2. Step 2: Convert to fraction form
    9,112.10/13,646.96 = 8,862.89/x
  3. Step 3: Cross multiply
    9,112.10x = 13,646.96 × 8,862.89
  4. Step 4: Simplify right side
    9,112.10x = 120,951,461.00
  5. Step 5: Solve for x
    x = 120,951,461.00/9,112.10
  6. Step 6: Final answer
    x = 13,273.72

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1.5x scale

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.