Home / 13,389.81-20,087.54-4,030.52

Finding the Fourth Proportional to 13,389.81, 20,087.54 and 4,030.52

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Solution

The fourth proportional to 13,389.81, 20,087.54 and 4,030.52 is: 6,046.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,389.81 : 20,087.54 = 4,030.52 : x
  2. Step 2: Convert to fraction form
    13,389.81/20,087.54 = 4,030.52/x
  3. Step 3: Cross multiply
    13,389.81x = 20,087.54 × 4,030.52
  4. Step 4: Simplify right side
    13,389.81x = 80,963,171.41
  5. Step 5: Solve for x
    x = 80,963,171.41/13,389.81
  6. Step 6: Final answer
    x = 6,046.62

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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.