Home / 18,512.82-25,547.04-10,557.59

Finding the Fourth Proportional to 18,512.82, 25,547.04 and 10,557.59

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Solution

The fourth proportional to 18,512.82, 25,547.04 and 10,557.59 is: 14,569.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,512.82 : 25,547.04 = 10,557.59 : x
  2. Step 2: Convert to fraction form
    18,512.82/25,547.04 = 10,557.59/x
  3. Step 3: Cross multiply
    18,512.82x = 25,547.04 × 10,557.59
  4. Step 4: Simplify right side
    18,512.82x = 269,715,046.30
  5. Step 5: Solve for x
    x = 269,715,046.30/18,512.82
  6. Step 6: Final answer
    x = 14,569.10

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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.