Home / 14,654.55-21,981.64-3,561.21

Finding the Fourth Proportional to 14,654.55, 21,981.64 and 3,561.21

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Solution

The fourth proportional to 14,654.55, 21,981.64 and 3,561.21 is: 5,341.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,654.55 : 21,981.64 = 3,561.21 : x
  2. Step 2: Convert to fraction form
    14,654.55/21,981.64 = 3,561.21/x
  3. Step 3: Cross multiply
    14,654.55x = 21,981.64 × 3,561.21
  4. Step 4: Simplify right side
    14,654.55x = 78,281,233.96
  5. Step 5: Solve for x
    x = 78,281,233.96/14,654.55
  6. Step 6: Final answer
    x = 5,341.77

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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.