Home / 17,928.31-26,864.37-11,340.58

Finding the Fourth Proportional to 17,928.31, 26,864.37 and 11,340.58

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Solution

The fourth proportional to 17,928.31, 26,864.37 and 11,340.58 is: 16,993.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,928.31 : 26,864.37 = 11,340.58 : x
  2. Step 2: Convert to fraction form
    17,928.31/26,864.37 = 11,340.58/x
  3. Step 3: Cross multiply
    17,928.31x = 26,864.37 × 11,340.58
  4. Step 4: Simplify right side
    17,928.31x = 304,657,688.80
  5. Step 5: Solve for x
    x = 304,657,688.80/17,928.31
  6. Step 6: Final answer
    x = 16,993.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.