Home / 12,702.07-17,523.02-8,227.31

Finding the Fourth Proportional to 12,702.07, 17,523.02 and 8,227.31

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Solution

The fourth proportional to 12,702.07, 17,523.02 and 8,227.31 is: 11,349.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,702.07 : 17,523.02 = 8,227.31 : x
  2. Step 2: Convert to fraction form
    12,702.07/17,523.02 = 8,227.31/x
  3. Step 3: Cross multiply
    12,702.07x = 17,523.02 × 8,227.31
  4. Step 4: Simplify right side
    12,702.07x = 144,167,276.54
  5. Step 5: Solve for x
    x = 144,167,276.54/12,702.07
  6. Step 6: Final answer
    x = 11,349.91

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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.