Home / 12,655.14-18,974.58-5,264.70

Finding the Fourth Proportional to 12,655.14, 18,974.58 and 5,264.70

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Solution

The fourth proportional to 12,655.14, 18,974.58 and 5,264.70 is: 7,893.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,655.14 : 18,974.58 = 5,264.70 : x
  2. Step 2: Convert to fraction form
    12,655.14/18,974.58 = 5,264.70/x
  3. Step 3: Cross multiply
    12,655.14x = 18,974.58 × 5,264.70
  4. Step 4: Simplify right side
    12,655.14x = 99,895,471.33
  5. Step 5: Solve for x
    x = 99,895,471.33/12,655.14
  6. Step 6: Final answer
    x = 7,893.67

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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.