Home / 13,232.56-18,259.42-7,853.07

Finding the Fourth Proportional to 13,232.56, 18,259.42 and 7,853.07

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Solution

The fourth proportional to 13,232.56, 18,259.42 and 7,853.07 is: 10,836.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,232.56 : 18,259.42 = 7,853.07 : x
  2. Step 2: Convert to fraction form
    13,232.56/18,259.42 = 7,853.07/x
  3. Step 3: Cross multiply
    13,232.56x = 18,259.42 × 7,853.07
  4. Step 4: Simplify right side
    13,232.56x = 143,392,372.86
  5. Step 5: Solve for x
    x = 143,392,372.86/13,232.56
  6. Step 6: Final answer
    x = 10,836.33

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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.