Home / 12,546.48-17,312.18-7,240.29

Finding the Fourth Proportional to 12,546.48, 17,312.18 and 7,240.29

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Solution

The fourth proportional to 12,546.48, 17,312.18 and 7,240.29 is: 9,990.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,546.48 : 17,312.18 = 7,240.29 : x
  2. Step 2: Convert to fraction form
    12,546.48/17,312.18 = 7,240.29/x
  3. Step 3: Cross multiply
    12,546.48x = 17,312.18 × 7,240.29
  4. Step 4: Simplify right side
    12,546.48x = 125,345,167.53
  5. Step 5: Solve for x
    x = 125,345,167.53/12,546.48
  6. Step 6: Final answer
    x = 9,990.46

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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.