Home / 13,891.81-20,837.71-6,501.46

Finding the Fourth Proportional to 13,891.81, 20,837.71 and 6,501.46

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Solution

The fourth proportional to 13,891.81, 20,837.71 and 6,501.46 is: 9,752.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,891.81 : 20,837.71 = 6,501.46 : x
  2. Step 2: Convert to fraction form
    13,891.81/20,837.71 = 6,501.46/x
  3. Step 3: Cross multiply
    13,891.81x = 20,837.71 × 6,501.46
  4. Step 4: Simplify right side
    13,891.81x = 135,475,446.86
  5. Step 5: Solve for x
    x = 135,475,446.86/13,891.81
  6. Step 6: Final answer
    x = 9,752.18

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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.