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Finding the Fourth Proportional to 8,968.32, 13,459.50 and 6,214.32

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Solution

The fourth proportional to 8,968.32, 13,459.50 and 6,214.32 is: 9,326.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,968.32 : 13,459.50 = 6,214.32 : x
  2. Step 2: Convert to fraction form
    8,968.32/13,459.50 = 6,214.32/x
  3. Step 3: Cross multiply
    8,968.32x = 13,459.50 × 6,214.32
  4. Step 4: Simplify right side
    8,968.32x = 83,641,640.04
  5. Step 5: Solve for x
    x = 83,641,640.04/8,968.32
  6. Step 6: Final answer
    x = 9,326.34

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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.