Home / 14,157.74-19,540.77-8,856.02

Finding the Fourth Proportional to 14,157.74, 19,540.77 and 8,856.02

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Solution

The fourth proportional to 14,157.74, 19,540.77 and 8,856.02 is: 12,223.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,157.74 : 19,540.77 = 8,856.02 : x
  2. Step 2: Convert to fraction form
    14,157.74/19,540.77 = 8,856.02/x
  3. Step 3: Cross multiply
    14,157.74x = 19,540.77 × 8,856.02
  4. Step 4: Simplify right side
    14,157.74x = 173,053,449.94
  5. Step 5: Solve for x
    x = 173,053,449.94/14,157.74
  6. Step 6: Final answer
    x = 12,223.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.