Home / 22,329.32-30,802.84-13,249.40

Finding the Fourth Proportional to 22,329.32, 30,802.84 and 13,249.40

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Solution

The fourth proportional to 22,329.32, 30,802.84 and 13,249.40 is: 18,277.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,329.32 : 30,802.84 = 13,249.40 : x
  2. Step 2: Convert to fraction form
    22,329.32/30,802.84 = 13,249.40/x
  3. Step 3: Cross multiply
    22,329.32x = 30,802.84 × 13,249.40
  4. Step 4: Simplify right side
    22,329.32x = 408,119,148.30
  5. Step 5: Solve for x
    x = 408,119,148.30/22,329.32
  6. Step 6: Final answer
    x = 18,277.28

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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.