Home / 10,933.84-15,085.80-6,217.36

Finding the Fourth Proportional to 10,933.84, 15,085.80 and 6,217.36

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Solution

The fourth proportional to 10,933.84, 15,085.80 and 6,217.36 is: 8,578.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,933.84 : 15,085.80 = 6,217.36 : x
  2. Step 2: Convert to fraction form
    10,933.84/15,085.80 = 6,217.36/x
  3. Step 3: Cross multiply
    10,933.84x = 15,085.80 × 6,217.36
  4. Step 4: Simplify right side
    10,933.84x = 93,793,849.49
  5. Step 5: Solve for x
    x = 93,793,849.49/10,933.84
  6. Step 6: Final answer
    x = 8,578.31

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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.