Home / 9,612.90-14,419.35-8,511.30

Finding the Fourth Proportional to 9,612.90, 14,419.35 and 8,511.30

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Solution

The fourth proportional to 9,612.90, 14,419.35 and 8,511.30 is: 12,766.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,612.90 : 14,419.35 = 8,511.30 : x
  2. Step 2: Convert to fraction form
    9,612.90/14,419.35 = 8,511.30/x
  3. Step 3: Cross multiply
    9,612.90x = 14,419.35 × 8,511.30
  4. Step 4: Simplify right side
    9,612.90x = 122,727,413.66
  5. Step 5: Solve for x
    x = 122,727,413.66/9,612.90
  6. Step 6: Final answer
    x = 12,766.95

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Double scale
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Similar ratio
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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.