Home / 13,762.39-20,649.06-4,403.85

Finding the Fourth Proportional to 13,762.39, 20,649.06 and 4,403.85

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Solution

The fourth proportional to 13,762.39, 20,649.06 and 4,403.85 is: 6,607.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,762.39 : 20,649.06 = 4,403.85 : x
  2. Step 2: Convert to fraction form
    13,762.39/20,649.06 = 4,403.85/x
  3. Step 3: Cross multiply
    13,762.39x = 20,649.06 × 4,403.85
  4. Step 4: Simplify right side
    13,762.39x = 90,935,340.86
  5. Step 5: Solve for x
    x = 90,935,340.86/13,762.39
  6. Step 6: Final answer
    x = 6,607.53

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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.