Home / 22,745.05-31,390.48-12,675.13

Finding the Fourth Proportional to 22,745.05, 31,390.48 and 12,675.13

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Solution

The fourth proportional to 22,745.05, 31,390.48 and 12,675.13 is: 17,492.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,745.05 : 31,390.48 = 12,675.13 : x
  2. Step 2: Convert to fraction form
    22,745.05/31,390.48 = 12,675.13/x
  3. Step 3: Cross multiply
    22,745.05x = 31,390.48 × 12,675.13
  4. Step 4: Simplify right side
    22,745.05x = 397,878,414.76
  5. Step 5: Solve for x
    x = 397,878,414.76/22,745.05
  6. Step 6: Final answer
    x = 17,492.97

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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.