Home / 10,749.07-16,121.78-4,904.31

Finding the Fourth Proportional to 10,749.07, 16,121.78 and 4,904.31

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Solution

The fourth proportional to 10,749.07, 16,121.78 and 4,904.31 is: 7,355.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,749.07 : 16,121.78 = 4,904.31 : x
  2. Step 2: Convert to fraction form
    10,749.07/16,121.78 = 4,904.31/x
  3. Step 3: Cross multiply
    10,749.07x = 16,121.78 × 4,904.31
  4. Step 4: Simplify right side
    10,749.07x = 79,066,206.87
  5. Step 5: Solve for x
    x = 79,066,206.87/10,749.07
  6. Step 6: Final answer
    x = 7,355.63

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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.