Home / 10,365.45-15,550.20-4,124.40

Finding the Fourth Proportional to 10,365.45, 15,550.20 and 4,124.40

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Solution

The fourth proportional to 10,365.45, 15,550.20 and 4,124.40 is: 6,187.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365.45 : 15,550.20 = 4,124.40 : x
  2. Step 2: Convert to fraction form
    10,365.45/15,550.20 = 4,124.40/x
  3. Step 3: Cross multiply
    10,365.45x = 15,550.20 × 4,124.40
  4. Step 4: Simplify right side
    10,365.45x = 64,135,244.88
  5. Step 5: Solve for x
    x = 64,135,244.88/10,365.45
  6. Step 6: Final answer
    x = 6,187.41

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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.