Home / 14,306.73-21,455.79-5,419.10

Finding the Fourth Proportional to 14,306.73, 21,455.79 and 5,419.10

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Solution

The fourth proportional to 14,306.73, 21,455.79 and 5,419.10 is: 8,127.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,306.73 : 21,455.79 = 5,419.10 : x
  2. Step 2: Convert to fraction form
    14,306.73/21,455.79 = 5,419.10/x
  3. Step 3: Cross multiply
    14,306.73x = 21,455.79 × 5,419.10
  4. Step 4: Simplify right side
    14,306.73x = 116,271,104.91
  5. Step 5: Solve for x
    x = 116,271,104.91/14,306.73
  6. Step 6: Final answer
    x = 8,127.02

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1.5x scale

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.