Home / 14,653.96-21,981-3,560.62

Finding the Fourth Proportional to 14,653.96, 21,981 and 3,560.62

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Solution

The fourth proportional to 14,653.96, 21,981 and 3,560.62 is: 5,340.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,653.96 : 21,981 = 3,560.62 : x
  2. Step 2: Convert to fraction form
    14,653.96/21,981 = 3,560.62/x
  3. Step 3: Cross multiply
    14,653.96x = 21,981 × 3,560.62
  4. Step 4: Simplify right side
    14,653.96x = 78,265,988.22
  5. Step 5: Solve for x
    x = 78,265,988.22/14,653.96
  6. Step 6: Final answer
    x = 5,340.94

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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.