Home / 17,621.76-26,432.64-8,394.24

Finding the Fourth Proportional to 17,621.76, 26,432.64 and 8,394.24

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Solution

The fourth proportional to 17,621.76, 26,432.64 and 8,394.24 is: 12,591.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,621.76 : 26,432.64 = 8,394.24 : x
  2. Step 2: Convert to fraction form
    17,621.76/26,432.64 = 8,394.24/x
  3. Step 3: Cross multiply
    17,621.76x = 26,432.64 × 8,394.24
  4. Step 4: Simplify right side
    17,621.76x = 221,881,923.99
  5. Step 5: Solve for x
    x = 221,881,923.99/17,621.76
  6. Step 6: Final answer
    x = 12,591.36

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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.