Home / 14,265.46-19,691.74-12,770.70

Finding the Fourth Proportional to 14,265.46, 19,691.74 and 12,770.70

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Solution

The fourth proportional to 14,265.46, 19,691.74 and 12,770.70 is: 17,628.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,265.46 : 19,691.74 = 12,770.70 : x
  2. Step 2: Convert to fraction form
    14,265.46/19,691.74 = 12,770.70/x
  3. Step 3: Cross multiply
    14,265.46x = 19,691.74 × 12,770.70
  4. Step 4: Simplify right side
    14,265.46x = 251,477,304.02
  5. Step 5: Solve for x
    x = 251,477,304.02/14,265.46
  6. Step 6: Final answer
    x = 17,628.40

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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.