Home / 15,994.85-22,061.45-13,866.57

Finding the Fourth Proportional to 15,994.85, 22,061.45 and 13,866.57

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Solution

The fourth proportional to 15,994.85, 22,061.45 and 13,866.57 is: 19,125.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,994.85 : 22,061.45 = 13,866.57 : x
  2. Step 2: Convert to fraction form
    15,994.85/22,061.45 = 13,866.57/x
  3. Step 3: Cross multiply
    15,994.85x = 22,061.45 × 13,866.57
  4. Step 4: Simplify right side
    15,994.85x = 305,916,640.73
  5. Step 5: Solve for x
    x = 305,916,640.73/15,994.85
  6. Step 6: Final answer
    x = 19,125.95

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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.