Home / 10,142.44-13,996.40-5,666.27

Finding the Fourth Proportional to 10,142.44, 13,996.40 and 5,666.27

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Solution

The fourth proportional to 10,142.44, 13,996.40 and 5,666.27 is: 7,819.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,142.44 : 13,996.40 = 5,666.27 : x
  2. Step 2: Convert to fraction form
    10,142.44/13,996.40 = 5,666.27/x
  3. Step 3: Cross multiply
    10,142.44x = 13,996.40 × 5,666.27
  4. Step 4: Simplify right side
    10,142.44x = 79,307,283.11
  5. Step 5: Solve for x
    x = 79,307,283.11/10,142.44
  6. Step 6: Final answer
    x = 7,819.35

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1.5x scale

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.