Home / 14,038.92-21,055.86-3,650.04

Finding the Fourth Proportional to 14,038.92, 21,055.86 and 3,650.04

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Solution

The fourth proportional to 14,038.92, 21,055.86 and 3,650.04 is: 5,474.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,038.92 : 21,055.86 = 3,650.04 : x
  2. Step 2: Convert to fraction form
    14,038.92/21,055.86 = 3,650.04/x
  3. Step 3: Cross multiply
    14,038.92x = 21,055.86 × 3,650.04
  4. Step 4: Simplify right side
    14,038.92x = 76,854,731.23
  5. Step 5: Solve for x
    x = 76,854,731.23/14,038.92
  6. Step 6: Final answer
    x = 5,474.40

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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.