Home / 17,918.29-24,720.69-10,842.13

Finding the Fourth Proportional to 17,918.29, 24,720.69 and 10,842.13

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Solution

The fourth proportional to 17,918.29, 24,720.69 and 10,842.13 is: 14,958.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,918.29 : 24,720.69 = 10,842.13 : x
  2. Step 2: Convert to fraction form
    17,918.29/24,720.69 = 10,842.13/x
  3. Step 3: Cross multiply
    17,918.29x = 24,720.69 × 10,842.13
  4. Step 4: Simplify right side
    17,918.29x = 268,024,934.67
  5. Step 5: Solve for x
    x = 268,024,934.67/17,918.29
  6. Step 6: Final answer
    x = 14,958.18

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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.