Home / 12,672.24-17,486.16-7,366.20

Finding the Fourth Proportional to 12,672.24, 17,486.16 and 7,366.20

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Solution

The fourth proportional to 12,672.24, 17,486.16 and 7,366.20 is: 10,164.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672.24 : 17,486.16 = 7,366.20 : x
  2. Step 2: Convert to fraction form
    12,672.24/17,486.16 = 7,366.20/x
  3. Step 3: Cross multiply
    12,672.24x = 17,486.16 × 7,366.20
  4. Step 4: Simplify right side
    12,672.24x = 128,806,551.79
  5. Step 5: Solve for x
    x = 128,806,551.79/12,672.24
  6. Step 6: Final answer
    x = 10,164.47

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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.