Home / 15,010.02-20,716.12-8,960.94

Finding the Fourth Proportional to 15,010.02, 20,716.12 and 8,960.94

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Solution

The fourth proportional to 15,010.02, 20,716.12 and 8,960.94 is: 12,367.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,010.02 : 20,716.12 = 8,960.94 : x
  2. Step 2: Convert to fraction form
    15,010.02/20,716.12 = 8,960.94/x
  3. Step 3: Cross multiply
    15,010.02x = 20,716.12 × 8,960.94
  4. Step 4: Simplify right side
    15,010.02x = 185,635,908.35
  5. Step 5: Solve for x
    x = 185,635,908.35/15,010.02
  6. Step 6: Final answer
    x = 12,367.47

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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.