Home / 15,530.20-23,295.30-13,586.20

Finding the Fourth Proportional to 15,530.20, 23,295.30 and 13,586.20

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Solution

The fourth proportional to 15,530.20, 23,295.30 and 13,586.20 is: 20,379.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,530.20 : 23,295.30 = 13,586.20 : x
  2. Step 2: Convert to fraction form
    15,530.20/23,295.30 = 13,586.20/x
  3. Step 3: Cross multiply
    15,530.20x = 23,295.30 × 13,586.20
  4. Step 4: Simplify right side
    15,530.20x = 316,494,604.86
  5. Step 5: Solve for x
    x = 316,494,604.86/15,530.20
  6. Step 6: Final answer
    x = 20,379.30

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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.