Home / 23,220.48-34,833.14-7,639.32

Finding the Fourth Proportional to 23,220.48, 34,833.14 and 7,639.32

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Solution

The fourth proportional to 23,220.48, 34,833.14 and 7,639.32 is: 11,459.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,220.48 : 34,833.14 = 7,639.32 : x
  2. Step 2: Convert to fraction form
    23,220.48/34,833.14 = 7,639.32/x
  3. Step 3: Cross multiply
    23,220.48x = 34,833.14 × 7,639.32
  4. Step 4: Simplify right side
    23,220.48x = 266,101,503.06
  5. Step 5: Solve for x
    x = 266,101,503.06/23,220.48
  6. Step 6: Final answer
    x = 11,459.78

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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.