Home / 20,288.08-30,432.18-6,248

Finding the Fourth Proportional to 20,288.08, 30,432.18 and 6,248

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Solution

The fourth proportional to 20,288.08, 30,432.18 and 6,248 is: 9,372.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,288.08 : 30,432.18 = 6,248 : x
  2. Step 2: Convert to fraction form
    20,288.08/30,432.18 = 6,248/x
  3. Step 3: Cross multiply
    20,288.08x = 30,432.18 × 6,248
  4. Step 4: Simplify right side
    20,288.08x = 190,140,260.64
  5. Step 5: Solve for x
    x = 190,140,260.64/20,288.08
  6. Step 6: Final answer
    x = 9,372.02

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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.