Home / 14,395.28-21,591.02-5,636.40

Finding the Fourth Proportional to 14,395.28, 21,591.02 and 5,636.40

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Solution

The fourth proportional to 14,395.28, 21,591.02 and 5,636.40 is: 8,453.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,395.28 : 21,591.02 = 5,636.40 : x
  2. Step 2: Convert to fraction form
    14,395.28/21,591.02 = 5,636.40/x
  3. Step 3: Cross multiply
    14,395.28x = 21,591.02 × 5,636.40
  4. Step 4: Simplify right side
    14,395.28x = 121,695,625.13
  5. Step 5: Solve for x
    x = 121,695,625.13/14,395.28
  6. Step 6: Final answer
    x = 8,453.86

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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.