Home / 12,055.02-18,080.46-3,287.85

Finding the Fourth Proportional to 12,055.02, 18,080.46 and 3,287.85

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Solution

The fourth proportional to 12,055.02, 18,080.46 and 3,287.85 is: 4,931.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,055.02 : 18,080.46 = 3,287.85 : x
  2. Step 2: Convert to fraction form
    12,055.02/18,080.46 = 3,287.85/x
  3. Step 3: Cross multiply
    12,055.02x = 18,080.46 × 3,287.85
  4. Step 4: Simplify right side
    12,055.02x = 59,445,840.41
  5. Step 5: Solve for x
    x = 59,445,840.41/12,055.02
  6. Step 6: Final answer
    x = 4,931.21

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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.