Home / 17,691.40-26,558.70-9,800.20

Finding the Fourth Proportional to 17,691.40, 26,558.70 and 9,800.20

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Solution

The fourth proportional to 17,691.40, 26,558.70 and 9,800.20 is: 14,712.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,691.40 : 26,558.70 = 9,800.20 : x
  2. Step 2: Convert to fraction form
    17,691.40/26,558.70 = 9,800.20/x
  3. Step 3: Cross multiply
    17,691.40x = 26,558.70 × 9,800.20
  4. Step 4: Simplify right side
    17,691.40x = 260,280,571.74
  5. Step 5: Solve for x
    x = 260,280,571.74/17,691.40
  6. Step 6: Final answer
    x = 14,712.27

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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.