Home / 18,329.32-25,294.92-9,945.80

Finding the Fourth Proportional to 18,329.32, 25,294.92 and 9,945.80

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Solution

The fourth proportional to 18,329.32, 25,294.92 and 9,945.80 is: 13,725.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,329.32 : 25,294.92 = 9,945.80 : x
  2. Step 2: Convert to fraction form
    18,329.32/25,294.92 = 9,945.80/x
  3. Step 3: Cross multiply
    18,329.32x = 25,294.92 × 9,945.80
  4. Step 4: Simplify right side
    18,329.32x = 251,578,215.34
  5. Step 5: Solve for x
    x = 251,578,215.34/18,329.32
  6. Step 6: Final answer
    x = 13,725.45

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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.