Home / 16,459.26-22,713.62-8,905.43

Finding the Fourth Proportional to 16,459.26, 22,713.62 and 8,905.43

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Solution

The fourth proportional to 16,459.26, 22,713.62 and 8,905.43 is: 12,289.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,459.26 : 22,713.62 = 8,905.43 : x
  2. Step 2: Convert to fraction form
    16,459.26/22,713.62 = 8,905.43/x
  3. Step 3: Cross multiply
    16,459.26x = 22,713.62 × 8,905.43
  4. Step 4: Simplify right side
    16,459.26x = 202,274,417.12
  5. Step 5: Solve for x
    x = 202,274,417.12/16,459.26
  6. Step 6: Final answer
    x = 12,289.40

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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.