Home / 22,208.65-30,648.32-13,254.42

Finding the Fourth Proportional to 22,208.65, 30,648.32 and 13,254.42

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Solution

The fourth proportional to 22,208.65, 30,648.32 and 13,254.42 is: 18,291.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,208.65 : 30,648.32 = 13,254.42 : x
  2. Step 2: Convert to fraction form
    22,208.65/30,648.32 = 13,254.42/x
  3. Step 3: Cross multiply
    22,208.65x = 30,648.32 × 13,254.42
  4. Step 4: Simplify right side
    22,208.65x = 406,225,705.57
  5. Step 5: Solve for x
    x = 406,225,705.57/22,208.65
  6. Step 6: Final answer
    x = 18,291.33

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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.