Home / 14,004.06-21,009.85-5,689.86

Finding the Fourth Proportional to 14,004.06, 21,009.85 and 5,689.86

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Solution

The fourth proportional to 14,004.06, 21,009.85 and 5,689.86 is: 8,536.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,004.06 : 21,009.85 = 5,689.86 : x
  2. Step 2: Convert to fraction form
    14,004.06/21,009.85 = 5,689.86/x
  3. Step 3: Cross multiply
    14,004.06x = 21,009.85 × 5,689.86
  4. Step 4: Simplify right side
    14,004.06x = 119,543,105.12
  5. Step 5: Solve for x
    x = 119,543,105.12/14,004.06
  6. Step 6: Final answer
    x = 8,536.32

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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.