Home / 15,328.85-22,949.33-10,389.67

Finding the Fourth Proportional to 15,328.85, 22,949.33 and 10,389.67

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Solution

The fourth proportional to 15,328.85, 22,949.33 and 10,389.67 is: 15,554.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,328.85 : 22,949.33 = 10,389.67 : x
  2. Step 2: Convert to fraction form
    15,328.85/22,949.33 = 10,389.67/x
  3. Step 3: Cross multiply
    15,328.85x = 22,949.33 × 10,389.67
  4. Step 4: Simplify right side
    15,328.85x = 238,435,856.10
  5. Step 5: Solve for x
    x = 238,435,856.10/15,328.85
  6. Step 6: Final answer
    x = 15,554.72

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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.