Home / 18,637.36-27,947.40-6,947.44

Finding the Fourth Proportional to 18,637.36, 27,947.40 and 6,947.44

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Solution

The fourth proportional to 18,637.36, 27,947.40 and 6,947.44 is: 10,417.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,637.36 : 27,947.40 = 6,947.44 : x
  2. Step 2: Convert to fraction form
    18,637.36/27,947.40 = 6,947.44/x
  3. Step 3: Cross multiply
    18,637.36x = 27,947.40 × 6,947.44
  4. Step 4: Simplify right side
    18,637.36x = 194,162,884.66
  5. Step 5: Solve for x
    x = 194,162,884.66/18,637.36
  6. Step 6: Final answer
    x = 10,417.94

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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.