Home / 14,538.66-21,778.40-13,327.71

Finding the Fourth Proportional to 14,538.66, 21,778.40 and 13,327.71

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Solution

The fourth proportional to 14,538.66, 21,778.40 and 13,327.71 is: 19,964.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,538.66 : 21,778.40 = 13,327.71 : x
  2. Step 2: Convert to fraction form
    14,538.66/21,778.40 = 13,327.71/x
  3. Step 3: Cross multiply
    14,538.66x = 21,778.40 × 13,327.71
  4. Step 4: Simplify right side
    14,538.66x = 290,256,132.83
  5. Step 5: Solve for x
    x = 290,256,132.83/14,538.66
  6. Step 6: Final answer
    x = 19,964.44

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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.