Home / 19,331.20-26,677.52-11,373.84

Finding the Fourth Proportional to 19,331.20, 26,677.52 and 11,373.84

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Solution

The fourth proportional to 19,331.20, 26,677.52 and 11,373.84 is: 15,696.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331.20 : 26,677.52 = 11,373.84 : x
  2. Step 2: Convert to fraction form
    19,331.20/26,677.52 = 11,373.84/x
  3. Step 3: Cross multiply
    19,331.20x = 26,677.52 × 11,373.84
  4. Step 4: Simplify right side
    19,331.20x = 303,425,844.08
  5. Step 5: Solve for x
    x = 303,425,844.08/19,331.20
  6. Step 6: Final answer
    x = 15,696.17

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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.