Home / 13,228.56-19,829.04-4,460.46

Finding the Fourth Proportional to 13,228.56, 19,829.04 and 4,460.46

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Solution

The fourth proportional to 13,228.56, 19,829.04 and 4,460.46 is: 6,686.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,228.56 : 19,829.04 = 4,460.46 : x
  2. Step 2: Convert to fraction form
    13,228.56/19,829.04 = 4,460.46/x
  3. Step 3: Cross multiply
    13,228.56x = 19,829.04 × 4,460.46
  4. Step 4: Simplify right side
    13,228.56x = 88,446,639.76
  5. Step 5: Solve for x
    x = 88,446,639.76/13,228.56
  6. Step 6: Final answer
    x = 6,686.04

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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.