Home / 19,338.54-26,689.61-11,787.24

Finding the Fourth Proportional to 19,338.54, 26,689.61 and 11,787.24

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Solution

The fourth proportional to 19,338.54, 26,689.61 and 11,787.24 is: 16,267.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,338.54 : 26,689.61 = 11,787.24 : x
  2. Step 2: Convert to fraction form
    19,338.54/26,689.61 = 11,787.24/x
  3. Step 3: Cross multiply
    19,338.54x = 26,689.61 × 11,787.24
  4. Step 4: Simplify right side
    19,338.54x = 314,596,838.58
  5. Step 5: Solve for x
    x = 314,596,838.58/19,338.54
  6. Step 6: Final answer
    x = 16,267.87

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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.