Home / 13,366.46-20,012.70-10,069.76

Finding the Fourth Proportional to 13,366.46, 20,012.70 and 10,069.76

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Solution

The fourth proportional to 13,366.46, 20,012.70 and 10,069.76 is: 15,076.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366.46 : 20,012.70 = 10,069.76 : x
  2. Step 2: Convert to fraction form
    13,366.46/20,012.70 = 10,069.76/x
  3. Step 3: Cross multiply
    13,366.46x = 20,012.70 × 10,069.76
  4. Step 4: Simplify right side
    13,366.46x = 201,523,085.95
  5. Step 5: Solve for x
    x = 201,523,085.95/13,366.46
  6. Step 6: Final answer
    x = 15,076.77

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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.