Home / 15,546.20-23,319.30-13,213.40

Finding the Fourth Proportional to 15,546.20, 23,319.30 and 13,213.40

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Solution

The fourth proportional to 15,546.20, 23,319.30 and 13,213.40 is: 19,820.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,546.20 : 23,319.30 = 13,213.40 : x
  2. Step 2: Convert to fraction form
    15,546.20/23,319.30 = 13,213.40/x
  3. Step 3: Cross multiply
    15,546.20x = 23,319.30 × 13,213.40
  4. Step 4: Simplify right side
    15,546.20x = 308,127,238.62
  5. Step 5: Solve for x
    x = 308,127,238.62/15,546.20
  6. Step 6: Final answer
    x = 19,820.10

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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.