Home / 13,104.61-19,652.15-5,707.28

Finding the Fourth Proportional to 13,104.61, 19,652.15 and 5,707.28

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Solution

The fourth proportional to 13,104.61, 19,652.15 and 5,707.28 is: 8,558.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,104.61 : 19,652.15 = 5,707.28 : x
  2. Step 2: Convert to fraction form
    13,104.61/19,652.15 = 5,707.28/x
  3. Step 3: Cross multiply
    13,104.61x = 19,652.15 × 5,707.28
  4. Step 4: Simplify right side
    13,104.61x = 112,160,386.05
  5. Step 5: Solve for x
    x = 112,160,386.05/13,104.61
  6. Step 6: Final answer
    x = 8,558.85

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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.