Home / 11,789.48-17,683.41-4,390.53

Finding the Fourth Proportional to 11,789.48, 17,683.41 and 4,390.53

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Solution

The fourth proportional to 11,789.48, 17,683.41 and 4,390.53 is: 6,585.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,789.48 : 17,683.41 = 4,390.53 : x
  2. Step 2: Convert to fraction form
    11,789.48/17,683.41 = 4,390.53/x
  3. Step 3: Cross multiply
    11,789.48x = 17,683.41 × 4,390.53
  4. Step 4: Simplify right side
    11,789.48x = 77,639,542.11
  5. Step 5: Solve for x
    x = 77,639,542.11/11,789.48
  6. Step 6: Final answer
    x = 6,585.50

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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.