Home / 14,649.90-20,216.85-7,935.66

Finding the Fourth Proportional to 14,649.90, 20,216.85 and 7,935.66

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Solution

The fourth proportional to 14,649.90, 20,216.85 and 7,935.66 is: 10,951.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,649.90 : 20,216.85 = 7,935.66 : x
  2. Step 2: Convert to fraction form
    14,649.90/20,216.85 = 7,935.66/x
  3. Step 3: Cross multiply
    14,649.90x = 20,216.85 × 7,935.66
  4. Step 4: Simplify right side
    14,649.90x = 160,434,047.87
  5. Step 5: Solve for x
    x = 160,434,047.87/14,649.90
  6. Step 6: Final answer
    x = 10,951.20

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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.