Home / 9,942.99-14,913.70-5,780.34

Finding the Fourth Proportional to 9,942.99, 14,913.70 and 5,780.34

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Solution

The fourth proportional to 9,942.99, 14,913.70 and 5,780.34 is: 8,670.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,942.99 : 14,913.70 = 5,780.34 : x
  2. Step 2: Convert to fraction form
    9,942.99/14,913.70 = 5,780.34/x
  3. Step 3: Cross multiply
    9,942.99x = 14,913.70 × 5,780.34
  4. Step 4: Simplify right side
    9,942.99x = 86,206,227.76
  5. Step 5: Solve for x
    x = 86,206,227.76/9,942.99
  6. Step 6: Final answer
    x = 8,670.06

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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.