Home / 13,576.81-20,359.95-4,690.50

Finding the Fourth Proportional to 13,576.81, 20,359.95 and 4,690.50

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Solution

The fourth proportional to 13,576.81, 20,359.95 and 4,690.50 is: 7,033.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,576.81 : 20,359.95 = 4,690.50 : x
  2. Step 2: Convert to fraction form
    13,576.81/20,359.95 = 4,690.50/x
  3. Step 3: Cross multiply
    13,576.81x = 20,359.95 × 4,690.50
  4. Step 4: Simplify right side
    13,576.81x = 95,498,345.48
  5. Step 5: Solve for x
    x = 95,498,345.48/13,576.81
  6. Step 6: Final answer
    x = 7,033.93

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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.