Home / 13,343.13-18,399.83-8,036.96

Finding the Fourth Proportional to 13,343.13, 18,399.83 and 8,036.96

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Solution

The fourth proportional to 13,343.13, 18,399.83 and 8,036.96 is: 11,082.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,343.13 : 18,399.83 = 8,036.96 : x
  2. Step 2: Convert to fraction form
    13,343.13/18,399.83 = 8,036.96/x
  3. Step 3: Cross multiply
    13,343.13x = 18,399.83 × 8,036.96
  4. Step 4: Simplify right side
    13,343.13x = 147,878,565.53
  5. Step 5: Solve for x
    x = 147,878,565.53/13,343.13
  6. Step 6: Final answer
    x = 11,082.75

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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.