Home / 10,686.24-16,029.48-7,011.78

Finding the Fourth Proportional to 10,686.24, 16,029.48 and 7,011.78

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Solution

The fourth proportional to 10,686.24, 16,029.48 and 7,011.78 is: 10,517.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,686.24 : 16,029.48 = 7,011.78 : x
  2. Step 2: Convert to fraction form
    10,686.24/16,029.48 = 7,011.78/x
  3. Step 3: Cross multiply
    10,686.24x = 16,029.48 × 7,011.78
  4. Step 4: Simplify right side
    10,686.24x = 112,395,187.27
  5. Step 5: Solve for x
    x = 112,395,187.27/10,686.24
  6. Step 6: Final answer
    x = 10,517.75

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1.5x scale

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.