Home / 12,429.38-17,152.29-6,764.24

Finding the Fourth Proportional to 12,429.38, 17,152.29 and 6,764.24

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Solution

The fourth proportional to 12,429.38, 17,152.29 and 6,764.24 is: 9,334.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,429.38 : 17,152.29 = 6,764.24 : x
  2. Step 2: Convert to fraction form
    12,429.38/17,152.29 = 6,764.24/x
  3. Step 3: Cross multiply
    12,429.38x = 17,152.29 × 6,764.24
  4. Step 4: Simplify right side
    12,429.38x = 116,022,206.11
  5. Step 5: Solve for x
    x = 116,022,206.11/12,429.38
  6. Step 6: Final answer
    x = 9,334.51

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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.