Home / 17,789.74-26,688.42-5,310.74

Finding the Fourth Proportional to 17,789.74, 26,688.42 and 5,310.74

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Solution

The fourth proportional to 17,789.74, 26,688.42 and 5,310.74 is: 7,967.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,789.74 : 26,688.42 = 5,310.74 : x
  2. Step 2: Convert to fraction form
    17,789.74/26,688.42 = 5,310.74/x
  3. Step 3: Cross multiply
    17,789.74x = 26,688.42 × 5,310.74
  4. Step 4: Simplify right side
    17,789.74x = 141,735,259.63
  5. Step 5: Solve for x
    x = 141,735,259.63/17,789.74
  6. Step 6: Final answer
    x = 7,967.25

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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.