Home / 14,175.60-21,263.75-6,780.84

Finding the Fourth Proportional to 14,175.60, 21,263.75 and 6,780.84

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Solution

The fourth proportional to 14,175.60, 21,263.75 and 6,780.84 is: 10,171.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,175.60 : 21,263.75 = 6,780.84 : x
  2. Step 2: Convert to fraction form
    14,175.60/21,263.75 = 6,780.84/x
  3. Step 3: Cross multiply
    14,175.60x = 21,263.75 × 6,780.84
  4. Step 4: Simplify right side
    14,175.60x = 144,186,086.55
  5. Step 5: Solve for x
    x = 144,186,086.55/14,175.60
  6. Step 6: Final answer
    x = 10,171.43

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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.