Home / 14,160.70-21,227.10-7,923.70

Finding the Fourth Proportional to 14,160.70, 21,227.10 and 7,923.70

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Solution

The fourth proportional to 14,160.70, 21,227.10 and 7,923.70 is: 11,877.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,160.70 : 21,227.10 = 7,923.70 : x
  2. Step 2: Convert to fraction form
    14,160.70/21,227.10 = 7,923.70/x
  3. Step 3: Cross multiply
    14,160.70x = 21,227.10 × 7,923.70
  4. Step 4: Simplify right side
    14,160.70x = 168,197,172.27
  5. Step 5: Solve for x
    x = 168,197,172.27/14,160.70
  6. Step 6: Final answer
    x = 11,877.74

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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.