Home / 13,710.30-20,567.61-4,947.36

Finding the Fourth Proportional to 13,710.30, 20,567.61 and 4,947.36

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Solution

The fourth proportional to 13,710.30, 20,567.61 and 4,947.36 is: 7,421.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,710.30 : 20,567.61 = 4,947.36 : x
  2. Step 2: Convert to fraction form
    13,710.30/20,567.61 = 4,947.36/x
  3. Step 3: Cross multiply
    13,710.30x = 20,567.61 × 4,947.36
  4. Step 4: Simplify right side
    13,710.30x = 101,755,371.01
  5. Step 5: Solve for x
    x = 101,755,371.01/13,710.30
  6. Step 6: Final answer
    x = 7,421.82

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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.