Home / 10,401.18-15,601.77-2,609.98

Finding the Fourth Proportional to 10,401.18, 15,601.77 and 2,609.98

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Solution

The fourth proportional to 10,401.18, 15,601.77 and 2,609.98 is: 3,914.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,401.18 : 15,601.77 = 2,609.98 : x
  2. Step 2: Convert to fraction form
    10,401.18/15,601.77 = 2,609.98/x
  3. Step 3: Cross multiply
    10,401.18x = 15,601.77 × 2,609.98
  4. Step 4: Simplify right side
    10,401.18x = 40,720,307.66
  5. Step 5: Solve for x
    x = 40,720,307.66/10,401.18
  6. Step 6: Final answer
    x = 3,914.97

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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.