Home / 17,680.84-26,521.26-8,315.04

Finding the Fourth Proportional to 17,680.84, 26,521.26 and 8,315.04

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Solution

The fourth proportional to 17,680.84, 26,521.26 and 8,315.04 is: 12,472.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,680.84 : 26,521.26 = 8,315.04 : x
  2. Step 2: Convert to fraction form
    17,680.84/26,521.26 = 8,315.04/x
  3. Step 3: Cross multiply
    17,680.84x = 26,521.26 × 8,315.04
  4. Step 4: Simplify right side
    17,680.84x = 220,525,337.75
  5. Step 5: Solve for x
    x = 220,525,337.75/17,680.84
  6. Step 6: Final answer
    x = 12,472.56

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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.