Home / 13,318.26-19,971.19-7,773.22

Finding the Fourth Proportional to 13,318.26, 19,971.19 and 7,773.22

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Solution

The fourth proportional to 13,318.26, 19,971.19 and 7,773.22 is: 11,656.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,318.26 : 19,971.19 = 7,773.22 : x
  2. Step 2: Convert to fraction form
    13,318.26/19,971.19 = 7,773.22/x
  3. Step 3: Cross multiply
    13,318.26x = 19,971.19 × 7,773.22
  4. Step 4: Simplify right side
    13,318.26x = 155,240,453.53
  5. Step 5: Solve for x
    x = 155,240,453.53/13,318.26
  6. Step 6: Final answer
    x = 11,656.21

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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.