Home / 14,261.70-21,395.39-7,245.66

Finding the Fourth Proportional to 14,261.70, 21,395.39 and 7,245.66

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Solution

The fourth proportional to 14,261.70, 21,395.39 and 7,245.66 is: 10,869.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,261.70 : 21,395.39 = 7,245.66 : x
  2. Step 2: Convert to fraction form
    14,261.70/21,395.39 = 7,245.66/x
  3. Step 3: Cross multiply
    14,261.70x = 21,395.39 × 7,245.66
  4. Step 4: Simplify right side
    14,261.70x = 155,023,685.28
  5. Step 5: Solve for x
    x = 155,023,685.28/14,261.70
  6. Step 6: Final answer
    x = 10,869.93

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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.