Home / 20,319.50-30,452.52-8,618.24

Finding the Fourth Proportional to 20,319.50, 30,452.52 and 8,618.24

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Solution

The fourth proportional to 20,319.50, 30,452.52 and 8,618.24 is: 12,916.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,319.50 : 30,452.52 = 8,618.24 : x
  2. Step 2: Convert to fraction form
    20,319.50/30,452.52 = 8,618.24/x
  3. Step 3: Cross multiply
    20,319.50x = 30,452.52 × 8,618.24
  4. Step 4: Simplify right side
    20,319.50x = 262,447,125.96
  5. Step 5: Solve for x
    x = 262,447,125.96/20,319.50
  6. Step 6: Final answer
    x = 12,916.02

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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.