Home / 14,280.73-21,421.10-3,894.01

Finding the Fourth Proportional to 14,280.73, 21,421.10 and 3,894.01

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Solution

The fourth proportional to 14,280.73, 21,421.10 and 3,894.01 is: 5,841.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,280.73 : 21,421.10 = 3,894.01 : x
  2. Step 2: Convert to fraction form
    14,280.73/21,421.10 = 3,894.01/x
  3. Step 3: Cross multiply
    14,280.73x = 21,421.10 × 3,894.01
  4. Step 4: Simplify right side
    14,280.73x = 83,413,977.61
  5. Step 5: Solve for x
    x = 83,413,977.61/14,280.73
  6. Step 6: Final answer
    x = 5,841.02

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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.