Home / 9,318.15-12,857.61-5,541.24

Finding the Fourth Proportional to 9,318.15, 12,857.61 and 5,541.24

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Solution

The fourth proportional to 9,318.15, 12,857.61 and 5,541.24 is: 7,646.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,318.15 : 12,857.61 = 5,541.24 : x
  2. Step 2: Convert to fraction form
    9,318.15/12,857.61 = 5,541.24/x
  3. Step 3: Cross multiply
    9,318.15x = 12,857.61 × 5,541.24
  4. Step 4: Simplify right side
    9,318.15x = 71,247,102.84
  5. Step 5: Solve for x
    x = 71,247,102.84/9,318.15
  6. Step 6: Final answer
    x = 7,646.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.