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Finding the Fourth Proportional to 9,886.70, 14,830.05 and 4,041.94

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Solution

The fourth proportional to 9,886.70, 14,830.05 and 4,041.94 is: 6,062.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,886.70 : 14,830.05 = 4,041.94 : x
  2. Step 2: Convert to fraction form
    9,886.70/14,830.05 = 4,041.94/x
  3. Step 3: Cross multiply
    9,886.70x = 14,830.05 × 4,041.94
  4. Step 4: Simplify right side
    9,886.70x = 59,942,172.30
  5. Step 5: Solve for x
    x = 59,942,172.30/9,886.70
  6. Step 6: Final answer
    x = 6,062.91

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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.