Home / 19,453.90-29,189.97-9,587.80

Finding the Fourth Proportional to 19,453.90, 29,189.97 and 9,587.80

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Solution

The fourth proportional to 19,453.90, 29,189.97 and 9,587.80 is: 14,386.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,453.90 : 29,189.97 = 9,587.80 : x
  2. Step 2: Convert to fraction form
    19,453.90/29,189.97 = 9,587.80/x
  3. Step 3: Cross multiply
    19,453.90x = 29,189.97 × 9,587.80
  4. Step 4: Simplify right side
    19,453.90x = 279,867,546.43
  5. Step 5: Solve for x
    x = 279,867,546.43/19,453.90
  6. Step 6: Final answer
    x = 14,386.19

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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.