Home / 10,950.40-16,440.81-7,610.77

Finding the Fourth Proportional to 10,950.40, 16,440.81 and 7,610.77

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Solution

The fourth proportional to 10,950.40, 16,440.81 and 7,610.77 is: 11,426.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,950.40 : 16,440.81 = 7,610.77 : x
  2. Step 2: Convert to fraction form
    10,950.40/16,440.81 = 7,610.77/x
  3. Step 3: Cross multiply
    10,950.40x = 16,440.81 × 7,610.77
  4. Step 4: Simplify right side
    10,950.40x = 125,127,223.52
  5. Step 5: Solve for x
    x = 125,127,223.52/10,950.40
  6. Step 6: Final answer
    x = 11,426.73

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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.