Home / 12,378.50-17,082.25-6,713.26

Finding the Fourth Proportional to 12,378.50, 17,082.25 and 6,713.26

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Solution

The fourth proportional to 12,378.50, 17,082.25 and 6,713.26 is: 9,264.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,378.50 : 17,082.25 = 6,713.26 : x
  2. Step 2: Convert to fraction form
    12,378.50/17,082.25 = 6,713.26/x
  3. Step 3: Cross multiply
    12,378.50x = 17,082.25 × 6,713.26
  4. Step 4: Simplify right side
    12,378.50x = 114,677,585.64
  5. Step 5: Solve for x
    x = 114,677,585.64/12,378.50
  6. Step 6: Final answer
    x = 9,264.26

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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.