Home / 19,747.15-29,625.91-7,098.18

Finding the Fourth Proportional to 19,747.15, 29,625.91 and 7,098.18

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Solution

The fourth proportional to 19,747.15, 29,625.91 and 7,098.18 is: 10,649.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,747.15 : 29,625.91 = 7,098.18 : x
  2. Step 2: Convert to fraction form
    19,747.15/29,625.91 = 7,098.18/x
  3. Step 3: Cross multiply
    19,747.15x = 29,625.91 × 7,098.18
  4. Step 4: Simplify right side
    19,747.15x = 210,290,041.84
  5. Step 5: Solve for x
    x = 210,290,041.84/19,747.15
  6. Step 6: Final answer
    x = 10,649.13

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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.