Home / 12,540.47-17,306.06-6,875.10

Finding the Fourth Proportional to 12,540.47, 17,306.06 and 6,875.10

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Solution

The fourth proportional to 12,540.47, 17,306.06 and 6,875.10 is: 9,487.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,540.47 : 17,306.06 = 6,875.10 : x
  2. Step 2: Convert to fraction form
    12,540.47/17,306.06 = 6,875.10/x
  3. Step 3: Cross multiply
    12,540.47x = 17,306.06 × 6,875.10
  4. Step 4: Simplify right side
    12,540.47x = 118,980,858.73
  5. Step 5: Solve for x
    x = 118,980,858.73/12,540.47
  6. Step 6: Final answer
    x = 9,487.75

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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.