Home / 22,868.91-31,569.03-13,919.22

Finding the Fourth Proportional to 22,868.91, 31,569.03 and 13,919.22

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Solution

The fourth proportional to 22,868.91, 31,569.03 and 13,919.22 is: 19,214.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,868.91 : 31,569.03 = 13,919.22 : x
  2. Step 2: Convert to fraction form
    22,868.91/31,569.03 = 13,919.22/x
  3. Step 3: Cross multiply
    22,868.91x = 31,569.03 × 13,919.22
  4. Step 4: Simplify right side
    22,868.91x = 439,416,273.76
  5. Step 5: Solve for x
    x = 439,416,273.76/22,868.91
  6. Step 6: Final answer
    x = 19,214.57

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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.