Home / 22,018.08-30,371.51-13,059.58

Finding the Fourth Proportional to 22,018.08, 30,371.51 and 13,059.58

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Solution

The fourth proportional to 22,018.08, 30,371.51 and 13,059.58 is: 18,014.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,018.08 : 30,371.51 = 13,059.58 : x
  2. Step 2: Convert to fraction form
    22,018.08/30,371.51 = 13,059.58/x
  3. Step 3: Cross multiply
    22,018.08x = 30,371.51 × 13,059.58
  4. Step 4: Simplify right side
    22,018.08x = 396,639,104.77
  5. Step 5: Solve for x
    x = 396,639,104.77/22,018.08
  6. Step 6: Final answer
    x = 18,014.25

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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.