Home / 18,617.86-25,690.35-11,064.34

Finding the Fourth Proportional to 18,617.86, 25,690.35 and 11,064.34

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Solution

The fourth proportional to 18,617.86, 25,690.35 and 11,064.34 is: 15,267.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,617.86 : 25,690.35 = 11,064.34 : x
  2. Step 2: Convert to fraction form
    18,617.86/25,690.35 = 11,064.34/x
  3. Step 3: Cross multiply
    18,617.86x = 25,690.35 × 11,064.34
  4. Step 4: Simplify right side
    18,617.86x = 284,246,702.89
  5. Step 5: Solve for x
    x = 284,246,702.89/18,617.86
  6. Step 6: Final answer
    x = 15,267.42

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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.