Home / 17,856.74-26,785.38-6,758.12

Finding the Fourth Proportional to 17,856.74, 26,785.38 and 6,758.12

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Solution

The fourth proportional to 17,856.74, 26,785.38 and 6,758.12 is: 10,137.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,856.74 : 26,785.38 = 6,758.12 : x
  2. Step 2: Convert to fraction form
    17,856.74/26,785.38 = 6,758.12/x
  3. Step 3: Cross multiply
    17,856.74x = 26,785.38 × 6,758.12
  4. Step 4: Simplify right side
    17,856.74x = 181,018,812.29
  5. Step 5: Solve for x
    x = 181,018,812.29/17,856.74
  6. Step 6: Final answer
    x = 10,137.28

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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.