Home / 22,001.56-30,351.42-12,567.64

Finding the Fourth Proportional to 22,001.56, 30,351.42 and 12,567.64

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Solution

The fourth proportional to 22,001.56, 30,351.42 and 12,567.64 is: 17,337.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,001.56 : 30,351.42 = 12,567.64 : x
  2. Step 2: Convert to fraction form
    22,001.56/30,351.42 = 12,567.64/x
  3. Step 3: Cross multiply
    22,001.56x = 30,351.42 × 12,567.64
  4. Step 4: Simplify right side
    22,001.56x = 381,445,720.05
  5. Step 5: Solve for x
    x = 381,445,720.05/22,001.56
  6. Step 6: Final answer
    x = 17,337.21

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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.