Home / 15,445.74-23,168.34-3,759.06

Finding the Fourth Proportional to 15,445.74, 23,168.34 and 3,759.06

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Solution

The fourth proportional to 15,445.74, 23,168.34 and 3,759.06 is: 5,638.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,445.74 : 23,168.34 = 3,759.06 : x
  2. Step 2: Convert to fraction form
    15,445.74/23,168.34 = 3,759.06/x
  3. Step 3: Cross multiply
    15,445.74x = 23,168.34 × 3,759.06
  4. Step 4: Simplify right side
    15,445.74x = 87,091,180.16
  5. Step 5: Solve for x
    x = 87,091,180.16/15,445.74
  6. Step 6: Final answer
    x = 5,638.52

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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.