Home / 18,511.90-25,541.62-10,551.22

Finding the Fourth Proportional to 18,511.90, 25,541.62 and 10,551.22

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Solution

The fourth proportional to 18,511.90, 25,541.62 and 10,551.22 is: 14,557.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,511.90 : 25,541.62 = 10,551.22 : x
  2. Step 2: Convert to fraction form
    18,511.90/25,541.62 = 10,551.22/x
  3. Step 3: Cross multiply
    18,511.90x = 25,541.62 × 10,551.22
  4. Step 4: Simplify right side
    18,511.90x = 269,495,251.78
  5. Step 5: Solve for x
    x = 269,495,251.78/18,511.90
  6. Step 6: Final answer
    x = 14,557.95

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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.