Home / 12,756.18-17,616.98-11,364.70

Finding the Fourth Proportional to 12,756.18, 17,616.98 and 11,364.70

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Solution

The fourth proportional to 12,756.18, 17,616.98 and 11,364.70 is: 15,695.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,756.18 : 17,616.98 = 11,364.70 : x
  2. Step 2: Convert to fraction form
    12,756.18/17,616.98 = 11,364.70/x
  3. Step 3: Cross multiply
    12,756.18x = 17,616.98 × 11,364.70
  4. Step 4: Simplify right side
    12,756.18x = 200,211,635.78
  5. Step 5: Solve for x
    x = 200,211,635.78/12,756.18
  6. Step 6: Final answer
    x = 15,695.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.