Home / 11,384.76-16,944.39-11,275.32

Finding the Fourth Proportional to 11,384.76, 16,944.39 and 11,275.32

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Solution

The fourth proportional to 11,384.76, 16,944.39 and 11,275.32 is: 16,781.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,384.76 : 16,944.39 = 11,275.32 : x
  2. Step 2: Convert to fraction form
    11,384.76/16,944.39 = 11,275.32/x
  3. Step 3: Cross multiply
    11,384.76x = 16,944.39 × 11,275.32
  4. Step 4: Simplify right side
    11,384.76x = 191,053,419.45
  5. Step 5: Solve for x
    x = 191,053,419.45/11,384.76
  6. Step 6: Final answer
    x = 16,781.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.