Home / 19,380.65-26,744.96-10,882.84

Finding the Fourth Proportional to 19,380.65, 26,744.96 and 10,882.84

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Solution

The fourth proportional to 19,380.65, 26,744.96 and 10,882.84 is: 15,018.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,380.65 : 26,744.96 = 10,882.84 : x
  2. Step 2: Convert to fraction form
    19,380.65/26,744.96 = 10,882.84/x
  3. Step 3: Cross multiply
    19,380.65x = 26,744.96 × 10,882.84
  4. Step 4: Simplify right side
    19,380.65x = 291,061,066.07
  5. Step 5: Solve for x
    x = 291,061,066.07/19,380.65
  6. Step 6: Final answer
    x = 15,018.13

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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.