Home / 18,515.22-25,550.90-10,017.32

Finding the Fourth Proportional to 18,515.22, 25,550.90 and 10,017.32

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Solution

The fourth proportional to 18,515.22, 25,550.90 and 10,017.32 is: 13,823.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,515.22 : 25,550.90 = 10,017.32 : x
  2. Step 2: Convert to fraction form
    18,515.22/25,550.90 = 10,017.32/x
  3. Step 3: Cross multiply
    18,515.22x = 25,550.90 × 10,017.32
  4. Step 4: Simplify right side
    18,515.22x = 255,951,541.59
  5. Step 5: Solve for x
    x = 255,951,541.59/18,515.22
  6. Step 6: Final answer
    x = 13,823.85

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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.