Home / 18,637.86-27,948.15-6,947.94

Finding the Fourth Proportional to 18,637.86, 27,948.15 and 6,947.94

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Solution

The fourth proportional to 18,637.86, 27,948.15 and 6,947.94 is: 10,418.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,637.86 : 27,948.15 = 6,947.94 : x
  2. Step 2: Convert to fraction form
    18,637.86/27,948.15 = 6,947.94/x
  3. Step 3: Cross multiply
    18,637.86x = 27,948.15 × 6,947.94
  4. Step 4: Simplify right side
    18,637.86x = 194,182,069.31
  5. Step 5: Solve for x
    x = 194,182,069.31/18,637.86
  6. Step 6: Final answer
    x = 10,418.69

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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.