Home / 13,710.30-20,576.37-4,951.32

Finding the Fourth Proportional to 13,710.30, 20,576.37 and 4,951.32

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Solution

The fourth proportional to 13,710.30, 20,576.37 and 4,951.32 is: 7,430.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,710.30 : 20,576.37 = 4,951.32 : x
  2. Step 2: Convert to fraction form
    13,710.30/20,576.37 = 4,951.32/x
  3. Step 3: Cross multiply
    13,710.30x = 20,576.37 × 4,951.32
  4. Step 4: Simplify right side
    13,710.30x = 101,880,192.31
  5. Step 5: Solve for x
    x = 101,880,192.31/13,710.30
  6. Step 6: Final answer
    x = 7,430.92

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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.