Home / 11,937.02-16,472.84-6,631.66

Finding the Fourth Proportional to 11,937.02, 16,472.84 and 6,631.66

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Solution

The fourth proportional to 11,937.02, 16,472.84 and 6,631.66 is: 9,151.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,937.02 : 16,472.84 = 6,631.66 : x
  2. Step 2: Convert to fraction form
    11,937.02/16,472.84 = 6,631.66/x
  3. Step 3: Cross multiply
    11,937.02x = 16,472.84 × 6,631.66
  4. Step 4: Simplify right side
    11,937.02x = 109,242,274.11
  5. Step 5: Solve for x
    x = 109,242,274.11/11,937.02
  6. Step 6: Final answer
    x = 9,151.55

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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.