Home / 15,718.61-23,550.21-8,306.78

Finding the Fourth Proportional to 15,718.61, 23,550.21 and 8,306.78

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Solution

The fourth proportional to 15,718.61, 23,550.21 and 8,306.78 is: 12,445.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,718.61 : 23,550.21 = 8,306.78 : x
  2. Step 2: Convert to fraction form
    15,718.61/23,550.21 = 8,306.78/x
  3. Step 3: Cross multiply
    15,718.61x = 23,550.21 × 8,306.78
  4. Step 4: Simplify right side
    15,718.61x = 195,626,295.67
  5. Step 5: Solve for x
    x = 195,626,295.67/15,718.61
  6. Step 6: Final answer
    x = 12,445.52

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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.