Home / 17,933.54-26,899.70-4,785.21

Finding the Fourth Proportional to 17,933.54, 26,899.70 and 4,785.21

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Solution

The fourth proportional to 17,933.54, 26,899.70 and 4,785.21 is: 7,177.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,933.54 : 26,899.70 = 4,785.21 : x
  2. Step 2: Convert to fraction form
    17,933.54/26,899.70 = 4,785.21/x
  3. Step 3: Cross multiply
    17,933.54x = 26,899.70 × 4,785.21
  4. Step 4: Simplify right side
    17,933.54x = 128,720,689.51
  5. Step 5: Solve for x
    x = 128,720,689.51/17,933.54
  6. Step 6: Final answer
    x = 7,177.65

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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.