Home / 14,378.49-21,568.64-4,518.14

Finding the Fourth Proportional to 14,378.49, 21,568.64 and 4,518.14

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Solution

The fourth proportional to 14,378.49, 21,568.64 and 4,518.14 is: 6,777.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,378.49 : 21,568.64 = 4,518.14 : x
  2. Step 2: Convert to fraction form
    14,378.49/21,568.64 = 4,518.14/x
  3. Step 3: Cross multiply
    14,378.49x = 21,568.64 × 4,518.14
  4. Step 4: Simplify right side
    14,378.49x = 97,450,004.70
  5. Step 5: Solve for x
    x = 97,450,004.70/14,378.49
  6. Step 6: Final answer
    x = 6,777.49

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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.