Home / 10,339.84-15,505.10-2,942.52

Finding the Fourth Proportional to 10,339.84, 15,505.10 and 2,942.52

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Solution

The fourth proportional to 10,339.84, 15,505.10 and 2,942.52 is: 4,412.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,339.84 : 15,505.10 = 2,942.52 : x
  2. Step 2: Convert to fraction form
    10,339.84/15,505.10 = 2,942.52/x
  3. Step 3: Cross multiply
    10,339.84x = 15,505.10 × 2,942.52
  4. Step 4: Simplify right side
    10,339.84x = 45,624,066.85
  5. Step 5: Solve for x
    x = 45,624,066.85/10,339.84
  6. Step 6: Final answer
    x = 4,412.45

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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.