Home / 12,536.43-18,808.29-7,544.40

Finding the Fourth Proportional to 12,536.43, 18,808.29 and 7,544.40

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Solution

The fourth proportional to 12,536.43, 18,808.29 and 7,544.40 is: 11,318.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,536.43 : 18,808.29 = 7,544.40 : x
  2. Step 2: Convert to fraction form
    12,536.43/18,808.29 = 7,544.40/x
  3. Step 3: Cross multiply
    12,536.43x = 18,808.29 × 7,544.40
  4. Step 4: Simplify right side
    12,536.43x = 141,897,263.08
  5. Step 5: Solve for x
    x = 141,897,263.08/12,536.43
  6. Step 6: Final answer
    x = 11,318.79

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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.