Home / 22,025.12-30,402.34-13,080.29

Finding the Fourth Proportional to 22,025.12, 30,402.34 and 13,080.29

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Solution

The fourth proportional to 22,025.12, 30,402.34 and 13,080.29 is: 18,055.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,025.12 : 30,402.34 = 13,080.29 : x
  2. Step 2: Convert to fraction form
    22,025.12/30,402.34 = 13,080.29/x
  3. Step 3: Cross multiply
    22,025.12x = 30,402.34 × 13,080.29
  4. Step 4: Simplify right side
    22,025.12x = 397,671,239.17
  5. Step 5: Solve for x
    x = 397,671,239.17/22,025.12
  6. Step 6: Final answer
    x = 18,055.35

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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.