Home / 14,366.35-21,503.35-7,686.18

Finding the Fourth Proportional to 14,366.35, 21,503.35 and 7,686.18

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Solution

The fourth proportional to 14,366.35, 21,503.35 and 7,686.18 is: 11,504.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,366.35 : 21,503.35 = 7,686.18 : x
  2. Step 2: Convert to fraction form
    14,366.35/21,503.35 = 7,686.18/x
  3. Step 3: Cross multiply
    14,366.35x = 21,503.35 × 7,686.18
  4. Step 4: Simplify right side
    14,366.35x = 165,278,618.70
  5. Step 5: Solve for x
    x = 165,278,618.70/14,366.35
  6. Step 6: Final answer
    x = 11,504.57

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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.