Home / 19,911.48-27,479.68-10,960.80

Finding the Fourth Proportional to 19,911.48, 27,479.68 and 10,960.80

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Solution

The fourth proportional to 19,911.48, 27,479.68 and 10,960.80 is: 15,126.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,911.48 : 27,479.68 = 10,960.80 : x
  2. Step 2: Convert to fraction form
    19,911.48/27,479.68 = 10,960.80/x
  3. Step 3: Cross multiply
    19,911.48x = 27,479.68 × 10,960.80
  4. Step 4: Simplify right side
    19,911.48x = 301,199,276.54
  5. Step 5: Solve for x
    x = 301,199,276.54/19,911.48
  6. Step 6: Final answer
    x = 15,126.92

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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.