Home / 9,959.40-13,743.12-5,767.92

Finding the Fourth Proportional to 9,959.40, 13,743.12 and 5,767.92

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Solution

The fourth proportional to 9,959.40, 13,743.12 and 5,767.92 is: 7,959.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,959.40 : 13,743.12 = 5,767.92 : x
  2. Step 2: Convert to fraction form
    9,959.40/13,743.12 = 5,767.92/x
  3. Step 3: Cross multiply
    9,959.40x = 13,743.12 × 5,767.92
  4. Step 4: Simplify right side
    9,959.40x = 79,269,216.71
  5. Step 5: Solve for x
    x = 79,269,216.71/9,959.40
  6. Step 6: Final answer
    x = 7,959.24

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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.