Home / 14,182.30-21,276.89-4,321.77

Finding the Fourth Proportional to 14,182.30, 21,276.89 and 4,321.77

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Solution

The fourth proportional to 14,182.30, 21,276.89 and 4,321.77 is: 6,483.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,182.30 : 21,276.89 = 4,321.77 : x
  2. Step 2: Convert to fraction form
    14,182.30/21,276.89 = 4,321.77/x
  3. Step 3: Cross multiply
    14,182.30x = 21,276.89 × 4,321.77
  4. Step 4: Simplify right side
    14,182.30x = 91,953,824.90
  5. Step 5: Solve for x
    x = 91,953,824.90/14,182.30
  6. Step 6: Final answer
    x = 6,483.70

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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.