Home / 12,867.96-19,286.04-7,597.63

Finding the Fourth Proportional to 12,867.96, 19,286.04 and 7,597.63

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Solution

The fourth proportional to 12,867.96, 19,286.04 and 7,597.63 is: 11,387.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,867.96 : 19,286.04 = 7,597.63 : x
  2. Step 2: Convert to fraction form
    12,867.96/19,286.04 = 7,597.63/x
  3. Step 3: Cross multiply
    12,867.96x = 19,286.04 × 7,597.63
  4. Step 4: Simplify right side
    12,867.96x = 146,528,099.66
  5. Step 5: Solve for x
    x = 146,528,099.66/12,867.96
  6. Step 6: Final answer
    x = 11,387.05

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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.