Home / 20,385.24-30,586.04-9,297.16

Finding the Fourth Proportional to 20,385.24, 30,586.04 and 9,297.16

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Solution

The fourth proportional to 20,385.24, 30,586.04 and 9,297.16 is: 13,949.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,385.24 : 30,586.04 = 9,297.16 : x
  2. Step 2: Convert to fraction form
    20,385.24/30,586.04 = 9,297.16/x
  3. Step 3: Cross multiply
    20,385.24x = 30,586.04 × 9,297.16
  4. Step 4: Simplify right side
    20,385.24x = 284,363,307.65
  5. Step 5: Solve for x
    x = 284,363,307.65/20,385.24
  6. Step 6: Final answer
    x = 13,949.47

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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.