Home / 9,946.38-14,921.28-4,099.80

Finding the Fourth Proportional to 9,946.38, 14,921.28 and 4,099.80

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Solution

The fourth proportional to 9,946.38, 14,921.28 and 4,099.80 is: 6,150.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,946.38 : 14,921.28 = 4,099.80 : x
  2. Step 2: Convert to fraction form
    9,946.38/14,921.28 = 4,099.80/x
  3. Step 3: Cross multiply
    9,946.38x = 14,921.28 × 4,099.80
  4. Step 4: Simplify right side
    9,946.38x = 61,174,263.74
  5. Step 5: Solve for x
    x = 61,174,263.74/9,946.38
  6. Step 6: Final answer
    x = 6,150.40

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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.