Home / 23,148.86-34,723.31-5,618.57

Finding the Fourth Proportional to 23,148.86, 34,723.31 and 5,618.57

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Solution

The fourth proportional to 23,148.86, 34,723.31 and 5,618.57 is: 8,427.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,148.86 : 34,723.31 = 5,618.57 : x
  2. Step 2: Convert to fraction form
    23,148.86/34,723.31 = 5,618.57/x
  3. Step 3: Cross multiply
    23,148.86x = 34,723.31 × 5,618.57
  4. Step 4: Simplify right side
    23,148.86x = 195,095,146.16
  5. Step 5: Solve for x
    x = 195,095,146.16/23,148.86
  6. Step 6: Final answer
    x = 8,427.85

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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.