Home / 9,156.27-13,723.77-4,215.53

Finding the Fourth Proportional to 9,156.27, 13,723.77 and 4,215.53

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Solution

The fourth proportional to 9,156.27, 13,723.77 and 4,215.53 is: 6,318.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,156.27 : 13,723.77 = 4,215.53 : x
  2. Step 2: Convert to fraction form
    9,156.27/13,723.77 = 4,215.53/x
  3. Step 3: Cross multiply
    9,156.27x = 13,723.77 × 4,215.53
  4. Step 4: Simplify right side
    9,156.27x = 57,852,921.90
  5. Step 5: Solve for x
    x = 57,852,921.90/9,156.27
  6. Step 6: Final answer
    x = 6,318.40

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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.