Home / 12,553.68-18,837.72-4,760.40

Finding the Fourth Proportional to 12,553.68, 18,837.72 and 4,760.40

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Solution

The fourth proportional to 12,553.68, 18,837.72 and 4,760.40 is: 7,143.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553.68 : 18,837.72 = 4,760.40 : x
  2. Step 2: Convert to fraction form
    12,553.68/18,837.72 = 4,760.40/x
  3. Step 3: Cross multiply
    12,553.68x = 18,837.72 × 4,760.40
  4. Step 4: Simplify right side
    12,553.68x = 89,675,082.29
  5. Step 5: Solve for x
    x = 89,675,082.29/12,553.68
  6. Step 6: Final answer
    x = 7,143.33

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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.