Home / 10,745.87-16,013.30-10,393.52

Finding the Fourth Proportional to 10,745.87, 16,013.30 and 10,393.52

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Solution

The fourth proportional to 10,745.87, 16,013.30 and 10,393.52 is: 15,488.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,745.87 : 16,013.30 = 10,393.52 : x
  2. Step 2: Convert to fraction form
    10,745.87/16,013.30 = 10,393.52/x
  3. Step 3: Cross multiply
    10,745.87x = 16,013.30 × 10,393.52
  4. Step 4: Simplify right side
    10,745.87x = 166,434,421.78
  5. Step 5: Solve for x
    x = 166,434,421.78/10,745.87
  6. Step 6: Final answer
    x = 15,488.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.