Home / 17,140.60-25,691.70-8,817.40

Finding the Fourth Proportional to 17,140.60, 25,691.70 and 8,817.40

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Solution

The fourth proportional to 17,140.60, 25,691.70 and 8,817.40 is: 13,216.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,140.60 : 25,691.70 = 8,817.40 : x
  2. Step 2: Convert to fraction form
    17,140.60/25,691.70 = 8,817.40/x
  3. Step 3: Cross multiply
    17,140.60x = 25,691.70 × 8,817.40
  4. Step 4: Simplify right side
    17,140.60x = 226,533,995.58
  5. Step 5: Solve for x
    x = 226,533,995.58/17,140.60
  6. Step 6: Final answer
    x = 13,216.22

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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.