Home / 10,912.40-16,368.70-4,667.16

Finding the Fourth Proportional to 10,912.40, 16,368.70 and 4,667.16

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Solution

The fourth proportional to 10,912.40, 16,368.70 and 4,667.16 is: 7,000.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,912.40 : 16,368.70 = 4,667.16 : x
  2. Step 2: Convert to fraction form
    10,912.40/16,368.70 = 4,667.16/x
  3. Step 3: Cross multiply
    10,912.40x = 16,368.70 × 4,667.16
  4. Step 4: Simplify right side
    10,912.40x = 76,395,341.89
  5. Step 5: Solve for x
    x = 76,395,341.89/10,912.40
  6. Step 6: Final answer
    x = 7,000.78

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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.