Home / 20,554.04-30,834.27-8,707.83

Finding the Fourth Proportional to 20,554.04, 30,834.27 and 8,707.83

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Solution

The fourth proportional to 20,554.04, 30,834.27 and 8,707.83 is: 13,063.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,554.04 : 30,834.27 = 8,707.83 : x
  2. Step 2: Convert to fraction form
    20,554.04/30,834.27 = 8,707.83/x
  3. Step 3: Cross multiply
    20,554.04x = 30,834.27 × 8,707.83
  4. Step 4: Simplify right side
    20,554.04x = 268,499,581.33
  5. Step 5: Solve for x
    x = 268,499,581.33/20,554.04
  6. Step 6: Final answer
    x = 13,063.11

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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.