Home / 14,997.39-20,697.21-8,623.91

Finding the Fourth Proportional to 14,997.39, 20,697.21 and 8,623.91

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Solution

The fourth proportional to 14,997.39, 20,697.21 and 8,623.91 is: 11,901.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,997.39 : 20,697.21 = 8,623.91 : x
  2. Step 2: Convert to fraction form
    14,997.39/20,697.21 = 8,623.91/x
  3. Step 3: Cross multiply
    14,997.39x = 20,697.21 × 8,623.91
  4. Step 4: Simplify right side
    14,997.39x = 178,490,772.81
  5. Step 5: Solve for x
    x = 178,490,772.81/14,997.39
  6. Step 6: Final answer
    x = 11,901.46

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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.