Home / 18,384.89-25,371.18-10,001.39

Finding the Fourth Proportional to 18,384.89, 25,371.18 and 10,001.39

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Solution

The fourth proportional to 18,384.89, 25,371.18 and 10,001.39 is: 13,801.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,384.89 : 25,371.18 = 10,001.39 : x
  2. Step 2: Convert to fraction form
    18,384.89/25,371.18 = 10,001.39/x
  3. Step 3: Cross multiply
    18,384.89x = 25,371.18 × 10,001.39
  4. Step 4: Simplify right side
    18,384.89x = 253,746,939.08
  5. Step 5: Solve for x
    x = 253,746,939.08/18,384.89
  6. Step 6: Final answer
    x = 13,801.93

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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.