Home / 12,760.08-17,589.40-8,972.93

Finding the Fourth Proportional to 12,760.08, 17,589.40 and 8,972.93

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Solution

The fourth proportional to 12,760.08, 17,589.40 and 8,972.93 is: 12,368.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,760.08 : 17,589.40 = 8,972.93 : x
  2. Step 2: Convert to fraction form
    12,760.08/17,589.40 = 8,972.93/x
  3. Step 3: Cross multiply
    12,760.08x = 17,589.40 × 8,972.93
  4. Step 4: Simplify right side
    12,760.08x = 157,828,428.02
  5. Step 5: Solve for x
    x = 157,828,428.02/12,760.08
  6. Step 6: Final answer
    x = 12,368.92

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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.