Home / 12,625.98-18,939.29-5,228.46

Finding the Fourth Proportional to 12,625.98, 18,939.29 and 5,228.46

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Solution

The fourth proportional to 12,625.98, 18,939.29 and 5,228.46 is: 7,842.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,625.98 : 18,939.29 = 5,228.46 : x
  2. Step 2: Convert to fraction form
    12,625.98/18,939.29 = 5,228.46/x
  3. Step 3: Cross multiply
    12,625.98x = 18,939.29 × 5,228.46
  4. Step 4: Simplify right side
    12,625.98x = 99,023,320.19
  5. Step 5: Solve for x
    x = 99,023,320.19/12,625.98
  6. Step 6: Final answer
    x = 7,842.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.