Home / 22,399.52-30,913.26-12,329.96

Finding the Fourth Proportional to 22,399.52, 30,913.26 and 12,329.96

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Solution

The fourth proportional to 22,399.52, 30,913.26 and 12,329.96 is: 17,016.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,399.52 : 30,913.26 = 12,329.96 : x
  2. Step 2: Convert to fraction form
    22,399.52/30,913.26 = 12,329.96/x
  3. Step 3: Cross multiply
    22,399.52x = 30,913.26 × 12,329.96
  4. Step 4: Simplify right side
    22,399.52x = 381,159,259.27
  5. Step 5: Solve for x
    x = 381,159,259.27/22,399.52
  6. Step 6: Final answer
    x = 17,016.40

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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.