Home / 20,012.08-29,997.96-9,618.16

Finding the Fourth Proportional to 20,012.08, 29,997.96 and 9,618.16

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Solution

The fourth proportional to 20,012.08, 29,997.96 and 9,618.16 is: 14,417.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,012.08 : 29,997.96 = 9,618.16 : x
  2. Step 2: Convert to fraction form
    20,012.08/29,997.96 = 9,618.16/x
  3. Step 3: Cross multiply
    20,012.08x = 29,997.96 × 9,618.16
  4. Step 4: Simplify right side
    20,012.08x = 288,525,178.95
  5. Step 5: Solve for x
    x = 288,525,178.95/20,012.08
  6. Step 6: Final answer
    x = 14,417.55

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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.