Home / 19,933.64-27,508.46-10,981.18

Finding the Fourth Proportional to 19,933.64, 27,508.46 and 10,981.18

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Solution

The fourth proportional to 19,933.64, 27,508.46 and 10,981.18 is: 15,154.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,933.64 : 27,508.46 = 10,981.18 : x
  2. Step 2: Convert to fraction form
    19,933.64/27,508.46 = 10,981.18/x
  3. Step 3: Cross multiply
    19,933.64x = 27,508.46 × 10,981.18
  4. Step 4: Simplify right side
    19,933.64x = 302,075,350.78
  5. Step 5: Solve for x
    x = 302,075,350.78/19,933.64
  6. Step 6: Final answer
    x = 15,154.05

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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.