Home / 13,256.11-18,294.42-7,288.84

Finding the Fourth Proportional to 13,256.11, 18,294.42 and 7,288.84

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Solution

The fourth proportional to 13,256.11, 18,294.42 and 7,288.84 is: 10,059.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.11 : 18,294.42 = 7,288.84 : x
  2. Step 2: Convert to fraction form
    13,256.11/18,294.42 = 7,288.84/x
  3. Step 3: Cross multiply
    13,256.11x = 18,294.42 × 7,288.84
  4. Step 4: Simplify right side
    13,256.11x = 133,345,100.27
  5. Step 5: Solve for x
    x = 133,345,100.27/13,256.11
  6. Step 6: Final answer
    x = 10,059.14

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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.