Home / 12,125.02-16,734.82-7,589.80

Finding the Fourth Proportional to 12,125.02, 16,734.82 and 7,589.80

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Solution

The fourth proportional to 12,125.02, 16,734.82 and 7,589.80 is: 10,475.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,125.02 : 16,734.82 = 7,589.80 : x
  2. Step 2: Convert to fraction form
    12,125.02/16,734.82 = 7,589.80/x
  3. Step 3: Cross multiply
    12,125.02x = 16,734.82 × 7,589.80
  4. Step 4: Simplify right side
    12,125.02x = 127,013,959.70
  5. Step 5: Solve for x
    x = 127,013,959.70/12,125.02
  6. Step 6: Final answer
    x = 10,475.37

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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.