Home / 12,052.19-18,081.02-5,479.35

Finding the Fourth Proportional to 12,052.19, 18,081.02 and 5,479.35

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Solution

The fourth proportional to 12,052.19, 18,081.02 and 5,479.35 is: 8,220.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,052.19 : 18,081.02 = 5,479.35 : x
  2. Step 2: Convert to fraction form
    12,052.19/18,081.02 = 5,479.35/x
  3. Step 3: Cross multiply
    12,052.19x = 18,081.02 × 5,479.35
  4. Step 4: Simplify right side
    12,052.19x = 99,072,182.83
  5. Step 5: Solve for x
    x = 99,072,182.83/12,052.19
  6. Step 6: Final answer
    x = 8,220.26

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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.