Home / 15,517.19-21,435.33-14,941.11

Finding the Fourth Proportional to 15,517.19, 21,435.33 and 14,941.11

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Solution

The fourth proportional to 15,517.19, 21,435.33 and 14,941.11 is: 20,639.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,517.19 : 21,435.33 = 14,941.11 : x
  2. Step 2: Convert to fraction form
    15,517.19/21,435.33 = 14,941.11/x
  3. Step 3: Cross multiply
    15,517.19x = 21,435.33 × 14,941.11
  4. Step 4: Simplify right side
    15,517.19x = 320,267,441.53
  5. Step 5: Solve for x
    x = 320,267,441.53/15,517.19
  6. Step 6: Final answer
    x = 20,639.52

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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.