Home / 12,410.16-18,610.20-8,055.60

Finding the Fourth Proportional to 12,410.16, 18,610.20 and 8,055.60

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Solution

The fourth proportional to 12,410.16, 18,610.20 and 8,055.60 is: 12,080.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,410.16 : 18,610.20 = 8,055.60 : x
  2. Step 2: Convert to fraction form
    12,410.16/18,610.20 = 8,055.60/x
  3. Step 3: Cross multiply
    12,410.16x = 18,610.20 × 8,055.60
  4. Step 4: Simplify right side
    12,410.16x = 149,916,327.12
  5. Step 5: Solve for x
    x = 149,916,327.12/12,410.16
  6. Step 6: Final answer
    x = 12,080.13

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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.