Home / 15,603.50-23,400.38-5,212.82

Finding the Fourth Proportional to 15,603.50, 23,400.38 and 5,212.82

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Solution

The fourth proportional to 15,603.50, 23,400.38 and 5,212.82 is: 7,817.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,603.50 : 23,400.38 = 5,212.82 : x
  2. Step 2: Convert to fraction form
    15,603.50/23,400.38 = 5,212.82/x
  3. Step 3: Cross multiply
    15,603.50x = 23,400.38 × 5,212.82
  4. Step 4: Simplify right side
    15,603.50x = 121,981,851.87
  5. Step 5: Solve for x
    x = 121,981,851.87/15,603.50
  6. Step 6: Final answer
    x = 7,817.60

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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.