Home / 13,746.18-20,619.08-3,358.02

Finding the Fourth Proportional to 13,746.18, 20,619.08 and 3,358.02

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Solution

The fourth proportional to 13,746.18, 20,619.08 and 3,358.02 is: 5,036.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,746.18 : 20,619.08 = 3,358.02 : x
  2. Step 2: Convert to fraction form
    13,746.18/20,619.08 = 3,358.02/x
  3. Step 3: Cross multiply
    13,746.18x = 20,619.08 × 3,358.02
  4. Step 4: Simplify right side
    13,746.18x = 69,239,283.02
  5. Step 5: Solve for x
    x = 69,239,283.02/13,746.18
  6. Step 6: Final answer
    x = 5,036.98

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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.