Home / 12,352.57-18,515.58-5,335.90

Finding the Fourth Proportional to 12,352.57, 18,515.58 and 5,335.90

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Solution

The fourth proportional to 12,352.57, 18,515.58 and 5,335.90 is: 7,998.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,352.57 : 18,515.58 = 5,335.90 : x
  2. Step 2: Convert to fraction form
    12,352.57/18,515.58 = 5,335.90/x
  3. Step 3: Cross multiply
    12,352.57x = 18,515.58 × 5,335.90
  4. Step 4: Simplify right side
    12,352.57x = 98,797,283.32
  5. Step 5: Solve for x
    x = 98,797,283.32/12,352.57
  6. Step 6: Final answer
    x = 7,998.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.