Home / 14,390.57-21,588.81-6,070.61

Finding the Fourth Proportional to 14,390.57, 21,588.81 and 6,070.61

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Solution

The fourth proportional to 14,390.57, 21,588.81 and 6,070.61 is: 9,107.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,390.57 : 21,588.81 = 6,070.61 : x
  2. Step 2: Convert to fraction form
    14,390.57/21,588.81 = 6,070.61/x
  3. Step 3: Cross multiply
    14,390.57x = 21,588.81 × 6,070.61
  4. Step 4: Simplify right side
    14,390.57x = 131,057,245.87
  5. Step 5: Solve for x
    x = 131,057,245.87/14,390.57
  6. Step 6: Final answer
    x = 9,107.16

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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.