Home / 18,384.75-25,371.15-10,001.43

Finding the Fourth Proportional to 18,384.75, 25,371.15 and 10,001.43

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Solution

The fourth proportional to 18,384.75, 25,371.15 and 10,001.43 is: 13,802.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,384.75 : 25,371.15 = 10,001.43 : x
  2. Step 2: Convert to fraction form
    18,384.75/25,371.15 = 10,001.43/x
  3. Step 3: Cross multiply
    18,384.75x = 25,371.15 × 10,001.43
  4. Step 4: Simplify right side
    18,384.75x = 253,747,780.74
  5. Step 5: Solve for x
    x = 253,747,780.74/18,384.75
  6. Step 6: Final answer
    x = 13,802.08

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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.