Home / 10,422.88-15,636.74-3,027.47

Finding the Fourth Proportional to 10,422.88, 15,636.74 and 3,027.47

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Solution

The fourth proportional to 10,422.88, 15,636.74 and 3,027.47 is: 4,541.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,422.88 : 15,636.74 = 3,027.47 : x
  2. Step 2: Convert to fraction form
    10,422.88/15,636.74 = 3,027.47/x
  3. Step 3: Cross multiply
    10,422.88x = 15,636.74 × 3,027.47
  4. Step 4: Simplify right side
    10,422.88x = 47,339,667.93
  5. Step 5: Solve for x
    x = 47,339,667.93/10,422.88
  6. Step 6: Final answer
    x = 4,541.90

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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.