Home / 14,498.13-20,007.41-8,211.72

Finding the Fourth Proportional to 14,498.13, 20,007.41 and 8,211.72

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Solution

The fourth proportional to 14,498.13, 20,007.41 and 8,211.72 is: 11,332.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,498.13 : 20,007.41 = 8,211.72 : x
  2. Step 2: Convert to fraction form
    14,498.13/20,007.41 = 8,211.72/x
  3. Step 3: Cross multiply
    14,498.13x = 20,007.41 × 8,211.72
  4. Step 4: Simplify right side
    14,498.13x = 164,295,248.85
  5. Step 5: Solve for x
    x = 164,295,248.85/14,498.13
  6. Step 6: Final answer
    x = 11,332.17

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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.