Home / 14,472.08-21,707.16-8,664.72

Finding the Fourth Proportional to 14,472.08, 21,707.16 and 8,664.72

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Solution

The fourth proportional to 14,472.08, 21,707.16 and 8,664.72 is: 12,996.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,472.08 : 21,707.16 = 8,664.72 : x
  2. Step 2: Convert to fraction form
    14,472.08/21,707.16 = 8,664.72/x
  3. Step 3: Cross multiply
    14,472.08x = 21,707.16 × 8,664.72
  4. Step 4: Simplify right side
    14,472.08x = 188,086,463.40
  5. Step 5: Solve for x
    x = 188,086,463.40/14,472.08
  6. Step 6: Final answer
    x = 12,996.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.