Home / 22,423.52-30,945.12-12,995.36

Finding the Fourth Proportional to 22,423.52, 30,945.12 and 12,995.36

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Solution

The fourth proportional to 22,423.52, 30,945.12 and 12,995.36 is: 17,933.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,423.52 : 30,945.12 = 12,995.36 : x
  2. Step 2: Convert to fraction form
    22,423.52/30,945.12 = 12,995.36/x
  3. Step 3: Cross multiply
    22,423.52x = 30,945.12 × 12,995.36
  4. Step 4: Simplify right side
    22,423.52x = 402,142,974.64
  5. Step 5: Solve for x
    x = 402,142,974.64/22,423.52
  6. Step 6: Final answer
    x = 17,933.98

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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.