Home / 14,179.95-21,237.56-6,789.63

Finding the Fourth Proportional to 14,179.95, 21,237.56 and 6,789.63

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Solution

The fourth proportional to 14,179.95, 21,237.56 and 6,789.63 is: 10,168.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,179.95 : 21,237.56 = 6,789.63 : x
  2. Step 2: Convert to fraction form
    14,179.95/21,237.56 = 6,789.63/x
  3. Step 3: Cross multiply
    14,179.95x = 21,237.56 × 6,789.63
  4. Step 4: Simplify right side
    14,179.95x = 144,195,140.55
  5. Step 5: Solve for x
    x = 144,195,140.55/14,179.95
  6. Step 6: Final answer
    x = 10,168.95

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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.