Home / 22,289.31-30,759.08-12,217.64

Finding the Fourth Proportional to 22,289.31, 30,759.08 and 12,217.64

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Solution

The fourth proportional to 22,289.31, 30,759.08 and 12,217.64 is: 16,860.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,289.31 : 30,759.08 = 12,217.64 : x
  2. Step 2: Convert to fraction form
    22,289.31/30,759.08 = 12,217.64/x
  3. Step 3: Cross multiply
    22,289.31x = 30,759.08 × 12,217.64
  4. Step 4: Simplify right side
    22,289.31x = 375,803,151.29
  5. Step 5: Solve for x
    x = 375,803,151.29/22,289.31
  6. Step 6: Final answer
    x = 16,860.24

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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.