Home / 13,548.82-20,318.18-4,661.66

Finding the Fourth Proportional to 13,548.82, 20,318.18 and 4,661.66

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Solution

The fourth proportional to 13,548.82, 20,318.18 and 4,661.66 is: 6,990.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,548.82 : 20,318.18 = 4,661.66 : x
  2. Step 2: Convert to fraction form
    13,548.82/20,318.18 = 4,661.66/x
  3. Step 3: Cross multiply
    13,548.82x = 20,318.18 × 4,661.66
  4. Step 4: Simplify right side
    13,548.82x = 94,716,417.32
  5. Step 5: Solve for x
    x = 94,716,417.32/13,548.82
  6. Step 6: Final answer
    x = 6,990.75

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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.