Home / 14,119.68-21,179.52-4,886.40

Finding the Fourth Proportional to 14,119.68, 21,179.52 and 4,886.40

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Solution

The fourth proportional to 14,119.68, 21,179.52 and 4,886.40 is: 7,329.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,119.68 : 21,179.52 = 4,886.40 : x
  2. Step 2: Convert to fraction form
    14,119.68/21,179.52 = 4,886.40/x
  3. Step 3: Cross multiply
    14,119.68x = 21,179.52 × 4,886.40
  4. Step 4: Simplify right side
    14,119.68x = 103,491,606.53
  5. Step 5: Solve for x
    x = 103,491,606.53/14,119.68
  6. Step 6: Final answer
    x = 7,329.60

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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.