Home / 13,289.14-18,318.98-10,927.18

Finding the Fourth Proportional to 13,289.14, 18,318.98 and 10,927.18

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Solution

The fourth proportional to 13,289.14, 18,318.98 and 10,927.18 is: 15,063.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,289.14 : 18,318.98 = 10,927.18 : x
  2. Step 2: Convert to fraction form
    13,289.14/18,318.98 = 10,927.18/x
  3. Step 3: Cross multiply
    13,289.14x = 18,318.98 × 10,927.18
  4. Step 4: Simplify right side
    13,289.14x = 200,174,791.88
  5. Step 5: Solve for x
    x = 200,174,791.88/13,289.14
  6. Step 6: Final answer
    x = 15,063.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.