Home / 12,755.40-17,592.68-9,230.28

Finding the Fourth Proportional to 12,755.40, 17,592.68 and 9,230.28

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Solution

The fourth proportional to 12,755.40, 17,592.68 and 9,230.28 is: 12,730.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,755.40 : 17,592.68 = 9,230.28 : x
  2. Step 2: Convert to fraction form
    12,755.40/17,592.68 = 9,230.28/x
  3. Step 3: Cross multiply
    12,755.40x = 17,592.68 × 9,230.28
  4. Step 4: Simplify right side
    12,755.40x = 162,385,362.35
  5. Step 5: Solve for x
    x = 162,385,362.35/12,755.40
  6. Step 6: Final answer
    x = 12,730.72

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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.