Home / 12,746.18-17,591.46-7,158.26

Finding the Fourth Proportional to 12,746.18, 17,591.46 and 7,158.26

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Solution

The fourth proportional to 12,746.18, 17,591.46 and 7,158.26 is: 9,879.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,746.18 : 17,591.46 = 7,158.26 : x
  2. Step 2: Convert to fraction form
    12,746.18/17,591.46 = 7,158.26/x
  3. Step 3: Cross multiply
    12,746.18x = 17,591.46 × 7,158.26
  4. Step 4: Simplify right side
    12,746.18x = 125,924,244.46
  5. Step 5: Solve for x
    x = 125,924,244.46/12,746.18
  6. Step 6: Final answer
    x = 9,879.37

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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.