Home / 12,052.35-18,086.67-5,479.20

Finding the Fourth Proportional to 12,052.35, 18,086.67 and 5,479.20

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Solution

The fourth proportional to 12,052.35, 18,086.67 and 5,479.20 is: 8,222.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,052.35 : 18,086.67 = 5,479.20 : x
  2. Step 2: Convert to fraction form
    12,052.35/18,086.67 = 5,479.20/x
  3. Step 3: Cross multiply
    12,052.35x = 18,086.67 × 5,479.20
  4. Step 4: Simplify right side
    12,052.35x = 99,100,482.26
  5. Step 5: Solve for x
    x = 99,100,482.26/12,052.35
  6. Step 6: Final answer
    x = 8,222.50

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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.