Home / 12,654.76-17,463.26-6,989.98

Finding the Fourth Proportional to 12,654.76, 17,463.26 and 6,989.98

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Solution

The fourth proportional to 12,654.76, 17,463.26 and 6,989.98 is: 9,646.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,654.76 : 17,463.26 = 6,989.98 : x
  2. Step 2: Convert to fraction form
    12,654.76/17,463.26 = 6,989.98/x
  3. Step 3: Cross multiply
    12,654.76x = 17,463.26 × 6,989.98
  4. Step 4: Simplify right side
    12,654.76x = 122,067,838.13
  5. Step 5: Solve for x
    x = 122,067,838.13/12,654.76
  6. Step 6: Final answer
    x = 9,646.00

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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.