Home / 16,141.22-22,275.18-8,971.80

Finding the Fourth Proportional to 16,141.22, 22,275.18 and 8,971.80

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Solution

The fourth proportional to 16,141.22, 22,275.18 and 8,971.80 is: 12,381.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,141.22 : 22,275.18 = 8,971.80 : x
  2. Step 2: Convert to fraction form
    16,141.22/22,275.18 = 8,971.80/x
  3. Step 3: Cross multiply
    16,141.22x = 22,275.18 × 8,971.80
  4. Step 4: Simplify right side
    16,141.22x = 199,848,459.92
  5. Step 5: Solve for x
    x = 199,848,459.92/16,141.22
  6. Step 6: Final answer
    x = 12,381.25

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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.