Home / 20,210.04-30,295.62-9,110.88

Finding the Fourth Proportional to 20,210.04, 30,295.62 and 9,110.88

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Solution

The fourth proportional to 20,210.04, 30,295.62 and 9,110.88 is: 13,657.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,210.04 : 30,295.62 = 9,110.88 : x
  2. Step 2: Convert to fraction form
    20,210.04/30,295.62 = 9,110.88/x
  3. Step 3: Cross multiply
    20,210.04x = 30,295.62 × 9,110.88
  4. Step 4: Simplify right side
    20,210.04x = 276,019,758.35
  5. Step 5: Solve for x
    x = 276,019,758.35/20,210.04
  6. Step 6: Final answer
    x = 13,657.56

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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.