Home / 17,257.02-23,781.51-12,280.38

Finding the Fourth Proportional to 17,257.02, 23,781.51 and 12,280.38

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Solution

The fourth proportional to 17,257.02, 23,781.51 and 12,280.38 is: 16,923.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,257.02 : 23,781.51 = 12,280.38 : x
  2. Step 2: Convert to fraction form
    17,257.02/23,781.51 = 12,280.38/x
  3. Step 3: Cross multiply
    17,257.02x = 23,781.51 × 12,280.38
  4. Step 4: Simplify right side
    17,257.02x = 292,045,979.77
  5. Step 5: Solve for x
    x = 292,045,979.77/17,257.02
  6. Step 6: Final answer
    x = 16,923.31

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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.