Home / 18,411.16-25,408.12-10,454.13

Finding the Fourth Proportional to 18,411.16, 25,408.12 and 10,454.13

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Solution

The fourth proportional to 18,411.16, 25,408.12 and 10,454.13 is: 14,427.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,411.16 : 25,408.12 = 10,454.13 : x
  2. Step 2: Convert to fraction form
    18,411.16/25,408.12 = 10,454.13/x
  3. Step 3: Cross multiply
    18,411.16x = 25,408.12 × 10,454.13
  4. Step 4: Simplify right side
    18,411.16x = 265,619,789.54
  5. Step 5: Solve for x
    x = 265,619,789.54/18,411.16
  6. Step 6: Final answer
    x = 14,427.11

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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.