Home / 13,559.39-20,341.11-4,200.25

Finding the Fourth Proportional to 13,559.39, 20,341.11 and 4,200.25

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Solution

The fourth proportional to 13,559.39, 20,341.11 and 4,200.25 is: 6,301.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,559.39 : 20,341.11 = 4,200.25 : x
  2. Step 2: Convert to fraction form
    13,559.39/20,341.11 = 4,200.25/x
  3. Step 3: Cross multiply
    13,559.39x = 20,341.11 × 4,200.25
  4. Step 4: Simplify right side
    13,559.39x = 85,437,747.28
  5. Step 5: Solve for x
    x = 85,437,747.28/13,559.39
  6. Step 6: Final answer
    x = 6,301.00

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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.