Home / 13,890.60-20,839.14-4,030.07

Finding the Fourth Proportional to 13,890.60, 20,839.14 and 4,030.07

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Solution

The fourth proportional to 13,890.60, 20,839.14 and 4,030.07 is: 6,046.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,890.60 : 20,839.14 = 4,030.07 : x
  2. Step 2: Convert to fraction form
    13,890.60/20,839.14 = 4,030.07/x
  3. Step 3: Cross multiply
    13,890.60x = 20,839.14 × 4,030.07
  4. Step 4: Simplify right side
    13,890.60x = 83,983,088.74
  5. Step 5: Solve for x
    x = 83,983,088.74/13,890.60
  6. Step 6: Final answer
    x = 6,046.04

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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.