Home / 15,446.80-21,315.28-8,733.04

Finding the Fourth Proportional to 15,446.80, 21,315.28 and 8,733.04

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Solution

The fourth proportional to 15,446.80, 21,315.28 and 8,733.04 is: 12,050.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,446.80 : 21,315.28 = 8,733.04 : x
  2. Step 2: Convert to fraction form
    15,446.80/21,315.28 = 8,733.04/x
  3. Step 3: Cross multiply
    15,446.80x = 21,315.28 × 8,733.04
  4. Step 4: Simplify right side
    15,446.80x = 186,147,192.85
  5. Step 5: Solve for x
    x = 186,147,192.85/15,446.80
  6. Step 6: Final answer
    x = 12,050.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.