Home / 19,933.70-27,508.82-10,981.10

Finding the Fourth Proportional to 19,933.70, 27,508.82 and 10,981.10

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Solution

The fourth proportional to 19,933.70, 27,508.82 and 10,981.10 is: 15,154.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,933.70 : 27,508.82 = 10,981.10 : x
  2. Step 2: Convert to fraction form
    19,933.70/27,508.82 = 10,981.10/x
  3. Step 3: Cross multiply
    19,933.70x = 27,508.82 × 10,981.10
  4. Step 4: Simplify right side
    19,933.70x = 302,077,117.17
  5. Step 5: Solve for x
    x = 302,077,117.17/19,933.70
  6. Step 6: Final answer
    x = 15,154.10

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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.