Home / 14,630.76-20,190.46-7,916.36

Finding the Fourth Proportional to 14,630.76, 20,190.46 and 7,916.36

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Solution

The fourth proportional to 14,630.76, 20,190.46 and 7,916.36 is: 10,924.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,630.76 : 20,190.46 = 7,916.36 : x
  2. Step 2: Convert to fraction form
    14,630.76/20,190.46 = 7,916.36/x
  3. Step 3: Cross multiply
    14,630.76x = 20,190.46 × 7,916.36
  4. Step 4: Simplify right side
    14,630.76x = 159,834,949.93
  5. Step 5: Solve for x
    x = 159,834,949.93/14,630.76
  6. Step 6: Final answer
    x = 10,924.58

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Double scale
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Similar ratio
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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.