Home / 15,117.97-22,679.69-6,228.36

Finding the Fourth Proportional to 15,117.97, 22,679.69 and 6,228.36

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Solution

The fourth proportional to 15,117.97, 22,679.69 and 6,228.36 is: 9,343.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,117.97 : 22,679.69 = 6,228.36 : x
  2. Step 2: Convert to fraction form
    15,117.97/22,679.69 = 6,228.36/x
  3. Step 3: Cross multiply
    15,117.97x = 22,679.69 × 6,228.36
  4. Step 4: Simplify right side
    15,117.97x = 141,257,243.98
  5. Step 5: Solve for x
    x = 141,257,243.98/15,117.97
  6. Step 6: Final answer
    x = 9,343.67

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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.