Home / 10,161.54-14,022.48-5,911.98

Finding the Fourth Proportional to 10,161.54, 14,022.48 and 5,911.98

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Solution

The fourth proportional to 10,161.54, 14,022.48 and 5,911.98 is: 8,158.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161.54 : 14,022.48 = 5,911.98 : x
  2. Step 2: Convert to fraction form
    10,161.54/14,022.48 = 5,911.98/x
  3. Step 3: Cross multiply
    10,161.54x = 14,022.48 × 5,911.98
  4. Step 4: Simplify right side
    10,161.54x = 82,900,621.31
  5. Step 5: Solve for x
    x = 82,900,621.31/10,161.54
  6. Step 6: Final answer
    x = 8,158.27

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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.