Home / 17,518.81-26,262.59-6,422.91

Finding the Fourth Proportional to 17,518.81, 26,262.59 and 6,422.91

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Solution

The fourth proportional to 17,518.81, 26,262.59 and 6,422.91 is: 9,628.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,518.81 : 26,262.59 = 6,422.91 : x
  2. Step 2: Convert to fraction form
    17,518.81/26,262.59 = 6,422.91/x
  3. Step 3: Cross multiply
    17,518.81x = 26,262.59 × 6,422.91
  4. Step 4: Simplify right side
    17,518.81x = 168,682,267.99
  5. Step 5: Solve for x
    x = 168,682,267.99/17,518.81
  6. Step 6: Final answer
    x = 9,628.64

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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.