Home / 13,173.26-19,744.70-7,318.17

Finding the Fourth Proportional to 13,173.26, 19,744.70 and 7,318.17

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Solution

The fourth proportional to 13,173.26, 19,744.70 and 7,318.17 is: 10,968.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173.26 : 19,744.70 = 7,318.17 : x
  2. Step 2: Convert to fraction form
    13,173.26/19,744.70 = 7,318.17/x
  3. Step 3: Cross multiply
    13,173.26x = 19,744.70 × 7,318.17
  4. Step 4: Simplify right side
    13,173.26x = 144,495,034.61
  5. Step 5: Solve for x
    x = 144,495,034.61/13,173.26
  6. Step 6: Final answer
    x = 10,968.82

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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.