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Finding the Fourth Proportional to 9,950.88, 14,916.36 and 4,760.40

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Solution

The fourth proportional to 9,950.88, 14,916.36 and 4,760.40 is: 7,135.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,950.88 : 14,916.36 = 4,760.40 : x
  2. Step 2: Convert to fraction form
    9,950.88/14,916.36 = 4,760.40/x
  3. Step 3: Cross multiply
    9,950.88x = 14,916.36 × 4,760.40
  4. Step 4: Simplify right side
    9,950.88x = 71,007,840.14
  5. Step 5: Solve for x
    x = 71,007,840.14/9,950.88
  6. Step 6: Final answer
    x = 7,135.84

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1.5x scale

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.