Home / 13,601.18-20,399.85-4,365.98

Finding the Fourth Proportional to 13,601.18, 20,399.85 and 4,365.98

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Solution

The fourth proportional to 13,601.18, 20,399.85 and 4,365.98 is: 6,548.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,601.18 : 20,399.85 = 4,365.98 : x
  2. Step 2: Convert to fraction form
    13,601.18/20,399.85 = 4,365.98/x
  3. Step 3: Cross multiply
    13,601.18x = 20,399.85 × 4,365.98
  4. Step 4: Simplify right side
    13,601.18x = 89,065,337.10
  5. Step 5: Solve for x
    x = 89,065,337.10/13,601.18
  6. Step 6: Final answer
    x = 6,548.35

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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.