Home / 10,339.75-15,502.07-3,315.77

Finding the Fourth Proportional to 10,339.75, 15,502.07 and 3,315.77

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Solution

The fourth proportional to 10,339.75, 15,502.07 and 3,315.77 is: 4,971.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,339.75 : 15,502.07 = 3,315.77 : x
  2. Step 2: Convert to fraction form
    10,339.75/15,502.07 = 3,315.77/x
  3. Step 3: Cross multiply
    10,339.75x = 15,502.07 × 3,315.77
  4. Step 4: Simplify right side
    10,339.75x = 51,401,225.30
  5. Step 5: Solve for x
    x = 51,401,225.30/10,339.75
  6. Step 6: Final answer
    x = 4,971.22

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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.