Home / 15,541.14-23,311.86-12,440.85

Finding the Fourth Proportional to 15,541.14, 23,311.86 and 12,440.85

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Solution

The fourth proportional to 15,541.14, 23,311.86 and 12,440.85 is: 18,661.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,541.14 : 23,311.86 = 12,440.85 : x
  2. Step 2: Convert to fraction form
    15,541.14/23,311.86 = 12,440.85/x
  3. Step 3: Cross multiply
    15,541.14x = 23,311.86 × 12,440.85
  4. Step 4: Simplify right side
    15,541.14x = 290,019,400.13
  5. Step 5: Solve for x
    x = 290,019,400.13/15,541.14
  6. Step 6: Final answer
    x = 18,661.40

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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.