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Finding the Fourth Proportional to 17,810.58, 26,707.17 and 10,416.90

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Solution

The fourth proportional to 17,810.58, 26,707.17 and 10,416.90 is: 15,620.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,810.58 : 26,707.17 = 10,416.90 : x
  2. Step 2: Convert to fraction form
    17,810.58/26,707.17 = 10,416.90/x
  3. Step 3: Cross multiply
    17,810.58x = 26,707.17 × 10,416.90
  4. Step 4: Simplify right side
    17,810.58x = 278,205,919.17
  5. Step 5: Solve for x
    x = 278,205,919.17/17,810.58
  6. Step 6: Final answer
    x = 15,620.26

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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.