Home / 10,652.76-15,961.48-6,480.15

Finding the Fourth Proportional to 10,652.76, 15,961.48 and 6,480.15

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Solution

The fourth proportional to 10,652.76, 15,961.48 and 6,480.15 is: 9,709.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,652.76 : 15,961.48 = 6,480.15 : x
  2. Step 2: Convert to fraction form
    10,652.76/15,961.48 = 6,480.15/x
  3. Step 3: Cross multiply
    10,652.76x = 15,961.48 × 6,480.15
  4. Step 4: Simplify right side
    10,652.76x = 103,432,784.62
  5. Step 5: Solve for x
    x = 103,432,784.62/10,652.76
  6. Step 6: Final answer
    x = 9,709.48

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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.