Home / 20,005.06-30,014.07-9,617.62

Finding the Fourth Proportional to 20,005.06, 30,014.07 and 9,617.62

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Solution

The fourth proportional to 20,005.06, 30,014.07 and 9,617.62 is: 14,429.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,005.06 : 30,014.07 = 9,617.62 : x
  2. Step 2: Convert to fraction form
    20,005.06/30,014.07 = 9,617.62/x
  3. Step 3: Cross multiply
    20,005.06x = 30,014.07 × 9,617.62
  4. Step 4: Simplify right side
    20,005.06x = 288,663,919.91
  5. Step 5: Solve for x
    x = 288,663,919.91/20,005.06
  6. Step 6: Final answer
    x = 14,429.55

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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.