Home / 17,518.62-26,270.16-6,422.40

Finding the Fourth Proportional to 17,518.62, 26,270.16 and 6,422.40

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Solution

The fourth proportional to 17,518.62, 26,270.16 and 6,422.40 is: 9,630.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,518.62 : 26,270.16 = 6,422.40 : x
  2. Step 2: Convert to fraction form
    17,518.62/26,270.16 = 6,422.40/x
  3. Step 3: Cross multiply
    17,518.62x = 26,270.16 × 6,422.40
  4. Step 4: Simplify right side
    17,518.62x = 168,717,475.58
  5. Step 5: Solve for x
    x = 168,717,475.58/17,518.62
  6. Step 6: Final answer
    x = 9,630.75

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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.