Home / 12,071.25-16,657.40-6,765.35

Finding the Fourth Proportional to 12,071.25, 16,657.40 and 6,765.35

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Solution

The fourth proportional to 12,071.25, 16,657.40 and 6,765.35 is: 9,335.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,071.25 : 16,657.40 = 6,765.35 : x
  2. Step 2: Convert to fraction form
    12,071.25/16,657.40 = 6,765.35/x
  3. Step 3: Cross multiply
    12,071.25x = 16,657.40 × 6,765.35
  4. Step 4: Simplify right side
    12,071.25x = 112,693,023.98
  5. Step 5: Solve for x
    x = 112,693,023.98/12,071.25
  6. Step 6: Final answer
    x = 9,335.65

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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.