Home / 10,124.19-15,188.45-3,550.77

Finding the Fourth Proportional to 10,124.19, 15,188.45 and 3,550.77

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Solution

The fourth proportional to 10,124.19, 15,188.45 and 3,550.77 is: 5,326.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,124.19 : 15,188.45 = 3,550.77 : x
  2. Step 2: Convert to fraction form
    10,124.19/15,188.45 = 3,550.77/x
  3. Step 3: Cross multiply
    10,124.19x = 15,188.45 × 3,550.77
  4. Step 4: Simplify right side
    10,124.19x = 53,930,674.85
  5. Step 5: Solve for x
    x = 53,930,674.85/10,124.19
  6. Step 6: Final answer
    x = 5,326.91

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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.