Home / 15,405.36-23,108.08-3,718.56

Finding the Fourth Proportional to 15,405.36, 23,108.08 and 3,718.56

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Solution

The fourth proportional to 15,405.36, 23,108.08 and 3,718.56 is: 5,577.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,405.36 : 23,108.08 = 3,718.56 : x
  2. Step 2: Convert to fraction form
    15,405.36/23,108.08 = 3,718.56/x
  3. Step 3: Cross multiply
    15,405.36x = 23,108.08 × 3,718.56
  4. Step 4: Simplify right side
    15,405.36x = 85,928,781.96
  5. Step 5: Solve for x
    x = 85,928,781.96/15,405.36
  6. Step 6: Final answer
    x = 5,577.85

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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.