Home / 21,337.02-29,443.64-11,776.46

Finding the Fourth Proportional to 21,337.02, 29,443.64 and 11,776.46

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Solution

The fourth proportional to 21,337.02, 29,443.64 and 11,776.46 is: 16,250.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,337.02 : 29,443.64 = 11,776.46 : x
  2. Step 2: Convert to fraction form
    21,337.02/29,443.64 = 11,776.46/x
  3. Step 3: Cross multiply
    21,337.02x = 29,443.64 × 11,776.46
  4. Step 4: Simplify right side
    21,337.02x = 346,741,642.61
  5. Step 5: Solve for x
    x = 346,741,642.61/21,337.02
  6. Step 6: Final answer
    x = 16,250.71

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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.