Home / 18,686.08-25,785.66-10,727.56

Finding the Fourth Proportional to 18,686.08, 25,785.66 and 10,727.56

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Solution

The fourth proportional to 18,686.08, 25,785.66 and 10,727.56 is: 14,803.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,686.08 : 25,785.66 = 10,727.56 : x
  2. Step 2: Convert to fraction form
    18,686.08/25,785.66 = 10,727.56/x
  3. Step 3: Cross multiply
    18,686.08x = 25,785.66 × 10,727.56
  4. Step 4: Simplify right side
    18,686.08x = 276,617,214.79
  5. Step 5: Solve for x
    x = 276,617,214.79/18,686.08
  6. Step 6: Final answer
    x = 14,803.38

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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.