Home / 17,856.66-26,785.21-12,308.51

Finding the Fourth Proportional to 17,856.66, 26,785.21 and 12,308.51

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Solution

The fourth proportional to 17,856.66, 26,785.21 and 12,308.51 is: 18,462.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,856.66 : 26,785.21 = 12,308.51 : x
  2. Step 2: Convert to fraction form
    17,856.66/26,785.21 = 12,308.51/x
  3. Step 3: Cross multiply
    17,856.66x = 26,785.21 × 12,308.51
  4. Step 4: Simplify right side
    17,856.66x = 329,686,025.14
  5. Step 5: Solve for x
    x = 329,686,025.14/17,856.66
  6. Step 6: Final answer
    x = 18,462.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.