Home / 18,723.56-25,838.29-10,765.81

Finding the Fourth Proportional to 18,723.56, 25,838.29 and 10,765.81

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Solution

The fourth proportional to 18,723.56, 25,838.29 and 10,765.81 is: 14,856.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,723.56 : 25,838.29 = 10,765.81 : x
  2. Step 2: Convert to fraction form
    18,723.56/25,838.29 = 10,765.81/x
  3. Step 3: Cross multiply
    18,723.56x = 25,838.29 × 10,765.81
  4. Step 4: Simplify right side
    18,723.56x = 278,170,166.62
  5. Step 5: Solve for x
    x = 278,170,166.62/18,723.56
  6. Step 6: Final answer
    x = 14,856.70

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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.