Home / 19,479.56-29,222.78-6,329.61

Finding the Fourth Proportional to 19,479.56, 29,222.78 and 6,329.61

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Solution

The fourth proportional to 19,479.56, 29,222.78 and 6,329.61 is: 9,495.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,479.56 : 29,222.78 = 6,329.61 : x
  2. Step 2: Convert to fraction form
    19,479.56/29,222.78 = 6,329.61/x
  3. Step 3: Cross multiply
    19,479.56x = 29,222.78 × 6,329.61
  4. Step 4: Simplify right side
    19,479.56x = 184,968,768.87
  5. Step 5: Solve for x
    x = 184,968,768.87/19,479.56
  6. Step 6: Final answer
    x = 9,495.53

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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.