Home / 10,394.40-14,343.36-5,857.50

Finding the Fourth Proportional to 10,394.40, 14,343.36 and 5,857.50

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Solution

The fourth proportional to 10,394.40, 14,343.36 and 5,857.50 is: 8,082.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,394.40 : 14,343.36 = 5,857.50 : x
  2. Step 2: Convert to fraction form
    10,394.40/14,343.36 = 5,857.50/x
  3. Step 3: Cross multiply
    10,394.40x = 14,343.36 × 5,857.50
  4. Step 4: Simplify right side
    10,394.40x = 84,016,231.20
  5. Step 5: Solve for x
    x = 84,016,231.20/10,394.40
  6. Step 6: Final answer
    x = 8,082.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.