Home / 17,519.58-26,280.18-6,420.96

Finding the Fourth Proportional to 17,519.58, 26,280.18 and 6,420.96

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Solution

The fourth proportional to 17,519.58, 26,280.18 and 6,420.96 is: 9,631.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,519.58 : 26,280.18 = 6,420.96 : x
  2. Step 2: Convert to fraction form
    17,519.58/26,280.18 = 6,420.96/x
  3. Step 3: Cross multiply
    17,519.58x = 26,280.18 × 6,420.96
  4. Step 4: Simplify right side
    17,519.58x = 168,743,984.57
  5. Step 5: Solve for x
    x = 168,743,984.57/17,519.58
  6. Step 6: Final answer
    x = 9,631.74

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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.