Home / 18,330.76-27,496.22-6,639.40

Finding the Fourth Proportional to 18,330.76, 27,496.22 and 6,639.40

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Solution

The fourth proportional to 18,330.76, 27,496.22 and 6,639.40 is: 9,959.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,330.76 : 27,496.22 = 6,639.40 : x
  2. Step 2: Convert to fraction form
    18,330.76/27,496.22 = 6,639.40/x
  3. Step 3: Cross multiply
    18,330.76x = 27,496.22 × 6,639.40
  4. Step 4: Simplify right side
    18,330.76x = 182,558,403.07
  5. Step 5: Solve for x
    x = 182,558,403.07/18,330.76
  6. Step 6: Final answer
    x = 9,959.13

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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.