Home / 20,572.46-30,835.35-9,456.18

Finding the Fourth Proportional to 20,572.46, 30,835.35 and 9,456.18

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Solution

The fourth proportional to 20,572.46, 30,835.35 and 9,456.18 is: 14,173.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,572.46 : 30,835.35 = 9,456.18 : x
  2. Step 2: Convert to fraction form
    20,572.46/30,835.35 = 9,456.18/x
  3. Step 3: Cross multiply
    20,572.46x = 30,835.35 × 9,456.18
  4. Step 4: Simplify right side
    20,572.46x = 291,584,465.79
  5. Step 5: Solve for x
    x = 291,584,465.79/20,572.46
  6. Step 6: Final answer
    x = 14,173.54

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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.