Home / 12,070.75-16,657.35-6,693.16

Finding the Fourth Proportional to 12,070.75, 16,657.35 and 6,693.16

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Solution

The fourth proportional to 12,070.75, 16,657.35 and 6,693.16 is: 9,236.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,070.75 : 16,657.35 = 6,693.16 : x
  2. Step 2: Convert to fraction form
    12,070.75/16,657.35 = 6,693.16/x
  3. Step 3: Cross multiply
    12,070.75x = 16,657.35 × 6,693.16
  4. Step 4: Simplify right side
    12,070.75x = 111,490,308.73
  5. Step 5: Solve for x
    x = 111,490,308.73/12,070.75
  6. Step 6: Final answer
    x = 9,236.40

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Half scale
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Double scale
Find fourth proportional to 12,071.75, 16,658.73 and 6,694.16
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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.