Home / 9,942.10-14,913.15-4,102.90

Finding the Fourth Proportional to 9,942.10, 14,913.15 and 4,102.90

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Solution

The fourth proportional to 9,942.10, 14,913.15 and 4,102.90 is: 6,154.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,942.10 : 14,913.15 = 4,102.90 : x
  2. Step 2: Convert to fraction form
    9,942.10/14,913.15 = 4,102.90/x
  3. Step 3: Cross multiply
    9,942.10x = 14,913.15 × 4,102.90
  4. Step 4: Simplify right side
    9,942.10x = 61,187,163.14
  5. Step 5: Solve for x
    x = 61,187,163.14/9,942.10
  6. Step 6: Final answer
    x = 6,154.35

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Similar ratio
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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.