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Finding the Fourth Proportional to 15,683.51, 23,532.38 and 7,793.89

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Solution

The fourth proportional to 15,683.51, 23,532.38 and 7,793.89 is: 11,694.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,683.51 : 23,532.38 = 7,793.89 : x
  2. Step 2: Convert to fraction form
    15,683.51/23,532.38 = 7,793.89/x
  3. Step 3: Cross multiply
    15,683.51x = 23,532.38 × 7,793.89
  4. Step 4: Simplify right side
    15,683.51x = 183,408,781.16
  5. Step 5: Solve for x
    x = 183,408,781.16/15,683.51
  6. Step 6: Final answer
    x = 11,694.37

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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.