Home / 22,455.90-33,683.79-7,663.59

Finding the Fourth Proportional to 22,455.90, 33,683.79 and 7,663.59

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Solution

The fourth proportional to 22,455.90, 33,683.79 and 7,663.59 is: 11,495.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,455.90 : 33,683.79 = 7,663.59 : x
  2. Step 2: Convert to fraction form
    22,455.90/33,683.79 = 7,663.59/x
  3. Step 3: Cross multiply
    22,455.90x = 33,683.79 × 7,663.59
  4. Step 4: Simplify right side
    22,455.90x = 258,138,756.21
  5. Step 5: Solve for x
    x = 258,138,756.21/22,455.90
  6. Step 6: Final answer
    x = 11,495.36

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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.