Home / 11,031.84-15,226.12-6,319.26

Finding the Fourth Proportional to 11,031.84, 15,226.12 and 6,319.26

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Solution

The fourth proportional to 11,031.84, 15,226.12 and 6,319.26 is: 8,721.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,031.84 : 15,226.12 = 6,319.26 : x
  2. Step 2: Convert to fraction form
    11,031.84/15,226.12 = 6,319.26/x
  3. Step 3: Cross multiply
    11,031.84x = 15,226.12 × 6,319.26
  4. Step 4: Simplify right side
    11,031.84x = 96,217,811.07
  5. Step 5: Solve for x
    x = 96,217,811.07/11,031.84
  6. Step 6: Final answer
    x = 8,721.83

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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.