Home / 12,069.18-16,656.15-6,764.34

Finding the Fourth Proportional to 12,069.18, 16,656.15 and 6,764.34

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Solution

The fourth proportional to 12,069.18, 16,656.15 and 6,764.34 is: 9,335.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,069.18 : 16,656.15 = 6,764.34 : x
  2. Step 2: Convert to fraction form
    12,069.18/16,656.15 = 6,764.34/x
  3. Step 3: Cross multiply
    12,069.18x = 16,656.15 × 6,764.34
  4. Step 4: Simplify right side
    12,069.18x = 112,667,799.23
  5. Step 5: Solve for x
    x = 112,667,799.23/12,069.18
  6. Step 6: Final answer
    x = 9,335.17

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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.