Home / 11,139.84-15,373.35-6,104.37

Finding the Fourth Proportional to 11,139.84, 15,373.35 and 6,104.37

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Solution

The fourth proportional to 11,139.84, 15,373.35 and 6,104.37 is: 8,424.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,139.84 : 15,373.35 = 6,104.37 : x
  2. Step 2: Convert to fraction form
    11,139.84/15,373.35 = 6,104.37/x
  3. Step 3: Cross multiply
    11,139.84x = 15,373.35 × 6,104.37
  4. Step 4: Simplify right side
    11,139.84x = 93,844,616.54
  5. Step 5: Solve for x
    x = 93,844,616.54/11,139.84
  6. Step 6: Final answer
    x = 8,424.23

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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.