Home / 10,954.65-16,420.13-4,373.60

Finding the Fourth Proportional to 10,954.65, 16,420.13 and 4,373.60

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Solution

The fourth proportional to 10,954.65, 16,420.13 and 4,373.60 is: 6,555.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,954.65 : 16,420.13 = 4,373.60 : x
  2. Step 2: Convert to fraction form
    10,954.65/16,420.13 = 4,373.60/x
  3. Step 3: Cross multiply
    10,954.65x = 16,420.13 × 4,373.60
  4. Step 4: Simplify right side
    10,954.65x = 71,815,073.06
  5. Step 5: Solve for x
    x = 71,815,073.06/10,954.65
  6. Step 6: Final answer
    x = 6,555.67

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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.