Home / 12,177.02-18,251.70-5,152.66

Finding the Fourth Proportional to 12,177.02, 18,251.70 and 5,152.66

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Solution

The fourth proportional to 12,177.02, 18,251.70 and 5,152.66 is: 7,723.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,177.02 : 18,251.70 = 5,152.66 : x
  2. Step 2: Convert to fraction form
    12,177.02/18,251.70 = 5,152.66/x
  3. Step 3: Cross multiply
    12,177.02x = 18,251.70 × 5,152.66
  4. Step 4: Simplify right side
    12,177.02x = 94,044,804.52
  5. Step 5: Solve for x
    x = 94,044,804.52/12,177.02
  6. Step 6: Final answer
    x = 7,723.14

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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.