Home / 17,518.74-26,262.48-6,422.84

Finding the Fourth Proportional to 17,518.74, 26,262.48 and 6,422.84

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Solution

The fourth proportional to 17,518.74, 26,262.48 and 6,422.84 is: 9,628.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,518.74 : 26,262.48 = 6,422.84 : x
  2. Step 2: Convert to fraction form
    17,518.74/26,262.48 = 6,422.84/x
  3. Step 3: Cross multiply
    17,518.74x = 26,262.48 × 6,422.84
  4. Step 4: Simplify right side
    17,518.74x = 168,679,698.30
  5. Step 5: Solve for x
    x = 168,679,698.30/17,518.74
  6. Step 6: Final answer
    x = 9,628.53

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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.