Home / 19,934.51-27,508.59-10,981.80

Finding the Fourth Proportional to 19,934.51, 27,508.59 and 10,981.80

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Solution

The fourth proportional to 19,934.51, 27,508.59 and 10,981.80 is: 15,154.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,934.51 : 27,508.59 = 10,981.80 : x
  2. Step 2: Convert to fraction form
    19,934.51/27,508.59 = 10,981.80/x
  3. Step 3: Cross multiply
    19,934.51x = 27,508.59 × 10,981.80
  4. Step 4: Simplify right side
    19,934.51x = 302,093,880.14
  5. Step 5: Solve for x
    x = 302,093,880.14/19,934.51
  6. Step 6: Final answer
    x = 15,154.32

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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.