Home / 9,942.77-14,913.38-5,780.13

Finding the Fourth Proportional to 9,942.77, 14,913.38 and 5,780.13

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Solution

The fourth proportional to 9,942.77, 14,913.38 and 5,780.13 is: 8,669.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,942.77 : 14,913.38 = 5,780.13 : x
  2. Step 2: Convert to fraction form
    9,942.77/14,913.38 = 5,780.13/x
  3. Step 3: Cross multiply
    9,942.77x = 14,913.38 × 5,780.13
  4. Step 4: Simplify right side
    9,942.77x = 86,201,190.31
  5. Step 5: Solve for x
    x = 86,201,190.31/9,942.77
  6. Step 6: Final answer
    x = 8,669.73

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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.