Home / 18,022.56-24,848.64-13,778.88

Finding the Fourth Proportional to 18,022.56, 24,848.64 and 13,778.88

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Solution

The fourth proportional to 18,022.56, 24,848.64 and 13,778.88 is: 18,997.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,022.56 : 24,848.64 = 13,778.88 : x
  2. Step 2: Convert to fraction form
    18,022.56/24,848.64 = 13,778.88/x
  3. Step 3: Cross multiply
    18,022.56x = 24,848.64 × 13,778.88
  4. Step 4: Simplify right side
    18,022.56x = 342,386,428.72
  5. Step 5: Solve for x
    x = 342,386,428.72/18,022.56
  6. Step 6: Final answer
    x = 18,997.66

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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.