Home / 14,293.56-19,725.16-7,920.44

Finding the Fourth Proportional to 14,293.56, 19,725.16 and 7,920.44

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Solution

The fourth proportional to 14,293.56, 19,725.16 and 7,920.44 is: 10,930.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,293.56 : 19,725.16 = 7,920.44 : x
  2. Step 2: Convert to fraction form
    14,293.56/19,725.16 = 7,920.44/x
  3. Step 3: Cross multiply
    14,293.56x = 19,725.16 × 7,920.44
  4. Step 4: Simplify right side
    14,293.56x = 156,231,946.27
  5. Step 5: Solve for x
    x = 156,231,946.27/14,293.56
  6. Step 6: Final answer
    x = 10,930.23

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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.