Home / 15,941.88-23,906.88-5,409.18

Finding the Fourth Proportional to 15,941.88, 23,906.88 and 5,409.18

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Solution

The fourth proportional to 15,941.88, 23,906.88 and 5,409.18 is: 8,111.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,941.88 : 23,906.88 = 5,409.18 : x
  2. Step 2: Convert to fraction form
    15,941.88/23,906.88 = 5,409.18/x
  3. Step 3: Cross multiply
    15,941.88x = 23,906.88 × 5,409.18
  4. Step 4: Simplify right side
    15,941.88x = 129,316,617.16
  5. Step 5: Solve for x
    x = 129,316,617.16/15,941.88
  6. Step 6: Final answer
    x = 8,111.75

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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.