Home / 12,161.04-18,236.28-5,144.16

Finding the Fourth Proportional to 12,161.04, 18,236.28 and 5,144.16

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Solution

The fourth proportional to 12,161.04, 18,236.28 and 5,144.16 is: 7,714.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,161.04 : 18,236.28 = 5,144.16 : x
  2. Step 2: Convert to fraction form
    12,161.04/18,236.28 = 5,144.16/x
  3. Step 3: Cross multiply
    12,161.04x = 18,236.28 × 5,144.16
  4. Step 4: Simplify right side
    12,161.04x = 93,810,342.12
  5. Step 5: Solve for x
    x = 93,810,342.12/12,161.04
  6. Step 6: Final answer
    x = 7,714.01

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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.