Home / 13,515.46-20,276.88-6,501.34

Finding the Fourth Proportional to 13,515.46, 20,276.88 and 6,501.34

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Solution

The fourth proportional to 13,515.46, 20,276.88 and 6,501.34 is: 9,753.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,515.46 : 20,276.88 = 6,501.34 : x
  2. Step 2: Convert to fraction form
    13,515.46/20,276.88 = 6,501.34/x
  3. Step 3: Cross multiply
    13,515.46x = 20,276.88 × 6,501.34
  4. Step 4: Simplify right side
    13,515.46x = 131,826,871.53
  5. Step 5: Solve for x
    x = 131,826,871.53/13,515.46
  6. Step 6: Final answer
    x = 9,753.79

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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.