Home / 10,424.11-14,385.28-5,644.06

Finding the Fourth Proportional to 10,424.11, 14,385.28 and 5,644.06

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Solution

The fourth proportional to 10,424.11, 14,385.28 and 5,644.06 is: 7,788.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,424.11 : 14,385.28 = 5,644.06 : x
  2. Step 2: Convert to fraction form
    10,424.11/14,385.28 = 5,644.06/x
  3. Step 3: Cross multiply
    10,424.11x = 14,385.28 × 5,644.06
  4. Step 4: Simplify right side
    10,424.11x = 81,191,383.44
  5. Step 5: Solve for x
    x = 81,191,383.44/10,424.11
  6. Step 6: Final answer
    x = 7,788.81

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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.