Home / 15,611.10-23,449.32-13,270.74

Finding the Fourth Proportional to 15,611.10, 23,449.32 and 13,270.74

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Solution

The fourth proportional to 15,611.10, 23,449.32 and 13,270.74 is: 19,933.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,611.10 : 23,449.32 = 13,270.74 : x
  2. Step 2: Convert to fraction form
    15,611.10/23,449.32 = 13,270.74/x
  3. Step 3: Cross multiply
    15,611.10x = 23,449.32 × 13,270.74
  4. Step 4: Simplify right side
    15,611.10x = 311,189,828.90
  5. Step 5: Solve for x
    x = 311,189,828.90/15,611.10
  6. Step 6: Final answer
    x = 19,933.88

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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.