Home / 10,091.16-13,921.74-6,363

Finding the Fourth Proportional to 10,091.16, 13,921.74 and 6,363

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Solution

The fourth proportional to 10,091.16, 13,921.74 and 6,363 is: 8,778.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,091.16 : 13,921.74 = 6,363 : x
  2. Step 2: Convert to fraction form
    10,091.16/13,921.74 = 6,363/x
  3. Step 3: Cross multiply
    10,091.16x = 13,921.74 × 6,363
  4. Step 4: Simplify right side
    10,091.16x = 88,584,031.62
  5. Step 5: Solve for x
    x = 88,584,031.62/10,091.16
  6. Step 6: Final answer
    x = 8,778.38

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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.