Home / 13,070.68-18,025.24-10,081.78

Finding the Fourth Proportional to 13,070.68, 18,025.24 and 10,081.78

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Solution

The fourth proportional to 13,070.68, 18,025.24 and 10,081.78 is: 13,903.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,070.68 : 18,025.24 = 10,081.78 : x
  2. Step 2: Convert to fraction form
    13,070.68/18,025.24 = 10,081.78/x
  3. Step 3: Cross multiply
    13,070.68x = 18,025.24 × 10,081.78
  4. Step 4: Simplify right side
    13,070.68x = 181,726,504.13
  5. Step 5: Solve for x
    x = 181,726,504.13/13,070.68
  6. Step 6: Final answer
    x = 13,903.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.