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Finding the Fourth Proportional to 8,774.17, 13,048.41 and 8,497.32

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Solution

The fourth proportional to 8,774.17, 13,048.41 and 8,497.32 is: 12,636.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,774.17 : 13,048.41 = 8,497.32 : x
  2. Step 2: Convert to fraction form
    8,774.17/13,048.41 = 8,497.32/x
  3. Step 3: Cross multiply
    8,774.17x = 13,048.41 × 8,497.32
  4. Step 4: Simplify right side
    8,774.17x = 110,876,515.26
  5. Step 5: Solve for x
    x = 110,876,515.26/8,774.17
  6. Step 6: Final answer
    x = 12,636.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.