Home / 14,276.88-21,418.46-4,281.22

Finding the Fourth Proportional to 14,276.88, 21,418.46 and 4,281.22

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Solution

The fourth proportional to 14,276.88, 21,418.46 and 4,281.22 is: 6,422.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,276.88 : 21,418.46 = 4,281.22 : x
  2. Step 2: Convert to fraction form
    14,276.88/21,418.46 = 4,281.22/x
  3. Step 3: Cross multiply
    14,276.88x = 21,418.46 × 4,281.22
  4. Step 4: Simplify right side
    14,276.88x = 91,697,139.32
  5. Step 5: Solve for x
    x = 91,697,139.32/14,276.88
  6. Step 6: Final answer
    x = 6,422.77

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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.