Home / 14,718.05-20,311.00-8,003.75

Finding the Fourth Proportional to 14,718.05, 20,311.00 and 8,003.75

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Solution

The fourth proportional to 14,718.05, 20,311.00 and 8,003.75 is: 11,045.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,718.05 : 20,311.00 = 8,003.75 : x
  2. Step 2: Convert to fraction form
    14,718.05/20,311.00 = 8,003.75/x
  3. Step 3: Cross multiply
    14,718.05x = 20,311.00 × 8,003.75
  4. Step 4: Simplify right side
    14,718.05x = 162,564,044.69
  5. Step 5: Solve for x
    x = 162,564,044.69/14,718.05
  6. Step 6: Final answer
    x = 11,045.22

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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.