Home / 13,217.97-19,820.67-7,673.01

Finding the Fourth Proportional to 13,217.97, 19,820.67 and 7,673.01

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Solution

The fourth proportional to 13,217.97, 19,820.67 and 7,673.01 is: 11,505.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,217.97 : 19,820.67 = 7,673.01 : x
  2. Step 2: Convert to fraction form
    13,217.97/19,820.67 = 7,673.01/x
  3. Step 3: Cross multiply
    13,217.97x = 19,820.67 × 7,673.01
  4. Step 4: Simplify right side
    13,217.97x = 152,084,199.12
  5. Step 5: Solve for x
    x = 152,084,199.12/13,217.97
  6. Step 6: Final answer
    x = 11,505.87

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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.