Home / 13,360.95-20,039.72-3,500.19

Finding the Fourth Proportional to 13,360.95, 20,039.72 and 3,500.19

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Solution

The fourth proportional to 13,360.95, 20,039.72 and 3,500.19 is: 5,249.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,360.95 : 20,039.72 = 3,500.19 : x
  2. Step 2: Convert to fraction form
    13,360.95/20,039.72 = 3,500.19/x
  3. Step 3: Cross multiply
    13,360.95x = 20,039.72 × 3,500.19
  4. Step 4: Simplify right side
    13,360.95x = 70,142,810.05
  5. Step 5: Solve for x
    x = 70,142,810.05/13,360.95
  6. Step 6: Final answer
    x = 5,249.84

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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.