Home / 14,082.93-21,124.19-4,221.79

Finding the Fourth Proportional to 14,082.93, 21,124.19 and 4,221.79

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Solution

The fourth proportional to 14,082.93, 21,124.19 and 4,221.79 is: 6,332.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,082.93 : 21,124.19 = 4,221.79 : x
  2. Step 2: Convert to fraction form
    14,082.93/21,124.19 = 4,221.79/x
  3. Step 3: Cross multiply
    14,082.93x = 21,124.19 × 4,221.79
  4. Step 4: Simplify right side
    14,082.93x = 89,181,851.84
  5. Step 5: Solve for x
    x = 89,181,851.84/14,082.93
  6. Step 6: Final answer
    x = 6,332.62

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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.