Home / 19,934.70-27,510.20-10,982.10

Finding the Fourth Proportional to 19,934.70, 27,510.20 and 10,982.10

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Solution

The fourth proportional to 19,934.70, 27,510.20 and 10,982.10 is: 15,155.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,934.70 : 27,510.20 = 10,982.10 : x
  2. Step 2: Convert to fraction form
    19,934.70/27,510.20 = 10,982.10/x
  3. Step 3: Cross multiply
    19,934.70x = 27,510.20 × 10,982.10
  4. Step 4: Simplify right side
    19,934.70x = 302,119,767.42
  5. Step 5: Solve for x
    x = 302,119,767.42/19,934.70
  6. Step 6: Final answer
    x = 15,155.47

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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.