Home / 15,604.85-23,409.30-8,209.65

Finding the Fourth Proportional to 15,604.85, 23,409.30 and 8,209.65

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Solution

The fourth proportional to 15,604.85, 23,409.30 and 8,209.65 is: 12,315.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,604.85 : 23,409.30 = 8,209.65 : x
  2. Step 2: Convert to fraction form
    15,604.85/23,409.30 = 8,209.65/x
  3. Step 3: Cross multiply
    15,604.85x = 23,409.30 × 8,209.65
  4. Step 4: Simplify right side
    15,604.85x = 192,182,278.32
  5. Step 5: Solve for x
    x = 192,182,278.32/15,604.85
  6. Step 6: Final answer
    x = 12,315.55

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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.