Home / 10,625.95-15,949.66-4,389.67

Finding the Fourth Proportional to 10,625.95, 15,949.66 and 4,389.67

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Solution

The fourth proportional to 10,625.95, 15,949.66 and 4,389.67 is: 6,588.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,625.95 : 15,949.66 = 4,389.67 : x
  2. Step 2: Convert to fraction form
    10,625.95/15,949.66 = 4,389.67/x
  3. Step 3: Cross multiply
    10,625.95x = 15,949.66 × 4,389.67
  4. Step 4: Simplify right side
    10,625.95x = 70,013,744.01
  5. Step 5: Solve for x
    x = 70,013,744.01/10,625.95
  6. Step 6: Final answer
    x = 6,588.94

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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.