Home / 14,082.69-21,111.66-5,763.90

Finding the Fourth Proportional to 14,082.69, 21,111.66 and 5,763.90

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Solution

The fourth proportional to 14,082.69, 21,111.66 and 5,763.90 is: 8,640.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,082.69 : 21,111.66 = 5,763.90 : x
  2. Step 2: Convert to fraction form
    14,082.69/21,111.66 = 5,763.90/x
  3. Step 3: Cross multiply
    14,082.69x = 21,111.66 × 5,763.90
  4. Step 4: Simplify right side
    14,082.69x = 121,685,497.07
  5. Step 5: Solve for x
    x = 121,685,497.07/14,082.69
  6. Step 6: Final answer
    x = 8,640.79

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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.