Home / 12,625.88-17,423.44-7,320.56

Finding the Fourth Proportional to 12,625.88, 17,423.44 and 7,320.56

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Solution

The fourth proportional to 12,625.88, 17,423.44 and 7,320.56 is: 10,102.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,625.88 : 17,423.44 = 7,320.56 : x
  2. Step 2: Convert to fraction form
    12,625.88/17,423.44 = 7,320.56/x
  3. Step 3: Cross multiply
    12,625.88x = 17,423.44 × 7,320.56
  4. Step 4: Simplify right side
    12,625.88x = 127,549,337.93
  5. Step 5: Solve for x
    x = 127,549,337.93/12,625.88
  6. Step 6: Final answer
    x = 10,102.21

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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.