Home / 19,750.89-29,626.36-7,910

Finding the Fourth Proportional to 19,750.89, 29,626.36 and 7,910

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Solution

The fourth proportional to 19,750.89, 29,626.36 and 7,910 is: 11,865.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,750.89 : 29,626.36 = 7,910 : x
  2. Step 2: Convert to fraction form
    19,750.89/29,626.36 = 7,910/x
  3. Step 3: Cross multiply
    19,750.89x = 29,626.36 × 7,910
  4. Step 4: Simplify right side
    19,750.89x = 234,344,507.60
  5. Step 5: Solve for x
    x = 234,344,507.60/19,750.89
  6. Step 6: Final answer
    x = 11,865.01

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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.