Home / 10,403.94-15,606.11-4,855.78

Finding the Fourth Proportional to 10,403.94, 15,606.11 and 4,855.78

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Solution

The fourth proportional to 10,403.94, 15,606.11 and 4,855.78 is: 7,283.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,403.94 : 15,606.11 = 4,855.78 : x
  2. Step 2: Convert to fraction form
    10,403.94/15,606.11 = 4,855.78/x
  3. Step 3: Cross multiply
    10,403.94x = 15,606.11 × 4,855.78
  4. Step 4: Simplify right side
    10,403.94x = 75,779,836.82
  5. Step 5: Solve for x
    x = 75,779,836.82/10,403.94
  6. Step 6: Final answer
    x = 7,283.76

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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.