Home / 19,630.44-29,422.98-8,535.06

Finding the Fourth Proportional to 19,630.44, 29,422.98 and 8,535.06

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Solution

The fourth proportional to 19,630.44, 29,422.98 and 8,535.06 is: 12,792.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,630.44 : 29,422.98 = 8,535.06 : x
  2. Step 2: Convert to fraction form
    19,630.44/29,422.98 = 8,535.06/x
  3. Step 3: Cross multiply
    19,630.44x = 29,422.98 × 8,535.06
  4. Step 4: Simplify right side
    19,630.44x = 251,126,899.68
  5. Step 5: Solve for x
    x = 251,126,899.68/19,630.44
  6. Step 6: Final answer
    x = 12,792.73

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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.