Home / 13,539.75-20,302.20-4,177.17

Finding the Fourth Proportional to 13,539.75, 20,302.20 and 4,177.17

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Solution

The fourth proportional to 13,539.75, 20,302.20 and 4,177.17 is: 6,263.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,539.75 : 20,302.20 = 4,177.17 : x
  2. Step 2: Convert to fraction form
    13,539.75/20,302.20 = 4,177.17/x
  3. Step 3: Cross multiply
    13,539.75x = 20,302.20 × 4,177.17
  4. Step 4: Simplify right side
    13,539.75x = 84,805,740.77
  5. Step 5: Solve for x
    x = 84,805,740.77/13,539.75
  6. Step 6: Final answer
    x = 6,263.46

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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.