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Finding the Fourth Proportional to 17,124.74, 25,686.98 and 8,807.07

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Solution

The fourth proportional to 17,124.74, 25,686.98 and 8,807.07 is: 13,210.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,124.74 : 25,686.98 = 8,807.07 : x
  2. Step 2: Convert to fraction form
    17,124.74/25,686.98 = 8,807.07/x
  3. Step 3: Cross multiply
    17,124.74x = 25,686.98 × 8,807.07
  4. Step 4: Simplify right side
    17,124.74x = 226,227,052.97
  5. Step 5: Solve for x
    x = 226,227,052.97/17,124.74
  6. Step 6: Final answer
    x = 13,210.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.