Home / 18,385.44-25,371.48-10,001.76

Finding the Fourth Proportional to 18,385.44, 25,371.48 and 10,001.76

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Solution

The fourth proportional to 18,385.44, 25,371.48 and 10,001.76 is: 13,802.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,385.44 : 25,371.48 = 10,001.76 : x
  2. Step 2: Convert to fraction form
    18,385.44/25,371.48 = 10,001.76/x
  3. Step 3: Cross multiply
    18,385.44x = 25,371.48 × 10,001.76
  4. Step 4: Simplify right side
    18,385.44x = 253,759,453.80
  5. Step 5: Solve for x
    x = 253,759,453.80/18,385.44
  6. Step 6: Final answer
    x = 13,802.20

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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.