Home / 14,478.83-21,716.42-4,619.10

Finding the Fourth Proportional to 14,478.83, 21,716.42 and 4,619.10

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Solution

The fourth proportional to 14,478.83, 21,716.42 and 4,619.10 is: 6,928.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,478.83 : 21,716.42 = 4,619.10 : x
  2. Step 2: Convert to fraction form
    14,478.83/21,716.42 = 4,619.10/x
  3. Step 3: Cross multiply
    14,478.83x = 21,716.42 × 4,619.10
  4. Step 4: Simplify right side
    14,478.83x = 100,310,292.53
  5. Step 5: Solve for x
    x = 100,310,292.53/14,478.83
  6. Step 6: Final answer
    x = 6,928.07

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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.