Home / 17,971.54-24,809.49-13,929.23

Finding the Fourth Proportional to 17,971.54, 24,809.49 and 13,929.23

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Solution

The fourth proportional to 17,971.54, 24,809.49 and 13,929.23 is: 19,229.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,971.54 : 24,809.49 = 13,929.23 : x
  2. Step 2: Convert to fraction form
    17,971.54/24,809.49 = 13,929.23/x
  3. Step 3: Cross multiply
    17,971.54x = 24,809.49 × 13,929.23
  4. Step 4: Simplify right side
    17,971.54x = 345,577,154.42
  5. Step 5: Solve for x
    x = 345,577,154.42/17,971.54
  6. Step 6: Final answer
    x = 19,229.14

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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.