Home / 19,934.48-27,509.88-10,981.88

Finding the Fourth Proportional to 19,934.48, 27,509.88 and 10,981.88

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Solution

The fourth proportional to 19,934.48, 27,509.88 and 10,981.88 is: 15,155.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,934.48 : 27,509.88 = 10,981.88 : x
  2. Step 2: Convert to fraction form
    19,934.48/27,509.88 = 10,981.88/x
  3. Step 3: Cross multiply
    19,934.48x = 27,509.88 × 10,981.88
  4. Step 4: Simplify right side
    19,934.48x = 302,110,200.97
  5. Step 5: Solve for x
    x = 302,110,200.97/19,934.48
  6. Step 6: Final answer
    x = 15,155.16

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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.