Home / 18,385.26-25,371.52-10,001.76

Finding the Fourth Proportional to 18,385.26, 25,371.52 and 10,001.76

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Solution

The fourth proportional to 18,385.26, 25,371.52 and 10,001.76 is: 13,802.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,385.26 : 25,371.52 = 10,001.76 : x
  2. Step 2: Convert to fraction form
    18,385.26/25,371.52 = 10,001.76/x
  3. Step 3: Cross multiply
    18,385.26x = 25,371.52 × 10,001.76
  4. Step 4: Simplify right side
    18,385.26x = 253,759,853.88
  5. Step 5: Solve for x
    x = 253,759,853.88/18,385.26
  6. Step 6: Final answer
    x = 13,802.35

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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.