Home / 13,635.98-20,454.10-4,870.96

Finding the Fourth Proportional to 13,635.98, 20,454.10 and 4,870.96

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Solution

The fourth proportional to 13,635.98, 20,454.10 and 4,870.96 is: 7,306.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,635.98 : 20,454.10 = 4,870.96 : x
  2. Step 2: Convert to fraction form
    13,635.98/20,454.10 = 4,870.96/x
  3. Step 3: Cross multiply
    13,635.98x = 20,454.10 × 4,870.96
  4. Step 4: Simplify right side
    13,635.98x = 99,631,102.94
  5. Step 5: Solve for x
    x = 99,631,102.94/13,635.98
  6. Step 6: Final answer
    x = 7,306.49

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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.