Home / 15,586.20-23,372.10-6,816.60

Finding the Fourth Proportional to 15,586.20, 23,372.10 and 6,816.60

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Solution

The fourth proportional to 15,586.20, 23,372.10 and 6,816.60 is: 10,221.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,586.20 : 23,372.10 = 6,816.60 : x
  2. Step 2: Convert to fraction form
    15,586.20/23,372.10 = 6,816.60/x
  3. Step 3: Cross multiply
    15,586.20x = 23,372.10 × 6,816.60
  4. Step 4: Simplify right side
    15,586.20x = 159,318,256.86
  5. Step 5: Solve for x
    x = 159,318,256.86/15,586.20
  6. Step 6: Final answer
    x = 10,221.75

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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.