Home / 12,577.80-17,358.66-8,595.84

Finding the Fourth Proportional to 12,577.80, 17,358.66 and 8,595.84

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Solution

The fourth proportional to 12,577.80, 17,358.66 and 8,595.84 is: 11,863.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,577.80 : 17,358.66 = 8,595.84 : x
  2. Step 2: Convert to fraction form
    12,577.80/17,358.66 = 8,595.84/x
  3. Step 3: Cross multiply
    12,577.80x = 17,358.66 × 8,595.84
  4. Step 4: Simplify right side
    12,577.80x = 149,212,263.97
  5. Step 5: Solve for x
    x = 149,212,263.97/12,577.80
  6. Step 6: Final answer
    x = 11,863.14

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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.