Home / 22,200.48-30,639.87-13,248.36

Finding the Fourth Proportional to 22,200.48, 30,639.87 and 13,248.36

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Solution

The fourth proportional to 22,200.48, 30,639.87 and 13,248.36 is: 18,284.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,200.48 : 30,639.87 = 13,248.36 : x
  2. Step 2: Convert to fraction form
    22,200.48/30,639.87 = 13,248.36/x
  3. Step 3: Cross multiply
    22,200.48x = 30,639.87 × 13,248.36
  4. Step 4: Simplify right side
    22,200.48x = 405,928,028.11
  5. Step 5: Solve for x
    x = 405,928,028.11/22,200.48
  6. Step 6: Final answer
    x = 18,284.65

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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.