Home / 15,518.49-23,270.91-4,422.66

Finding the Fourth Proportional to 15,518.49, 23,270.91 and 4,422.66

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Solution

The fourth proportional to 15,518.49, 23,270.91 and 4,422.66 is: 6,632.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,518.49 : 23,270.91 = 4,422.66 : x
  2. Step 2: Convert to fraction form
    15,518.49/23,270.91 = 4,422.66/x
  3. Step 3: Cross multiply
    15,518.49x = 23,270.91 × 4,422.66
  4. Step 4: Simplify right side
    15,518.49x = 102,919,322.82
  5. Step 5: Solve for x
    x = 102,919,322.82/15,518.49
  6. Step 6: Final answer
    x = 6,632.04

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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.