Home / 9,946.78-14,919.80-2,551.30

Finding the Fourth Proportional to 9,946.78, 14,919.80 and 2,551.30

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Solution

The fourth proportional to 9,946.78, 14,919.80 and 2,551.30 is: 3,826.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,946.78 : 14,919.80 = 2,551.30 : x
  2. Step 2: Convert to fraction form
    9,946.78/14,919.80 = 2,551.30/x
  3. Step 3: Cross multiply
    9,946.78x = 14,919.80 × 2,551.30
  4. Step 4: Simplify right side
    9,946.78x = 38,064,885.74
  5. Step 5: Solve for x
    x = 38,064,885.74/9,946.78
  6. Step 6: Final answer
    x = 3,826.86

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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.