Home / 20,210.08-30,312.24-6,358.72

Finding the Fourth Proportional to 20,210.08, 30,312.24 and 6,358.72

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Solution

The fourth proportional to 20,210.08, 30,312.24 and 6,358.72 is: 9,537.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,210.08 : 30,312.24 = 6,358.72 : x
  2. Step 2: Convert to fraction form
    20,210.08/30,312.24 = 6,358.72/x
  3. Step 3: Cross multiply
    20,210.08x = 30,312.24 × 6,358.72
  4. Step 4: Simplify right side
    20,210.08x = 192,747,046.73
  5. Step 5: Solve for x
    x = 192,747,046.73/20,210.08
  6. Step 6: Final answer
    x = 9,537.17

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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.