Home / 12,723.96-19,082.28-5,328.24

Finding the Fourth Proportional to 12,723.96, 19,082.28 and 5,328.24

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Solution

The fourth proportional to 12,723.96, 19,082.28 and 5,328.24 is: 7,990.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,723.96 : 19,082.28 = 5,328.24 : x
  2. Step 2: Convert to fraction form
    12,723.96/19,082.28 = 5,328.24/x
  3. Step 3: Cross multiply
    12,723.96x = 19,082.28 × 5,328.24
  4. Step 4: Simplify right side
    12,723.96x = 101,674,967.59
  5. Step 5: Solve for x
    x = 101,674,967.59/12,723.96
  6. Step 6: Final answer
    x = 7,990.83

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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.