Home / 14,121.59-21,182.93-4,260.86

Finding the Fourth Proportional to 14,121.59, 21,182.93 and 4,260.86

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Solution

The fourth proportional to 14,121.59, 21,182.93 and 4,260.86 is: 6,391.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,121.59 : 21,182.93 = 4,260.86 : x
  2. Step 2: Convert to fraction form
    14,121.59/21,182.93 = 4,260.86/x
  3. Step 3: Cross multiply
    14,121.59x = 21,182.93 × 4,260.86
  4. Step 4: Simplify right side
    14,121.59x = 90,257,586.47
  5. Step 5: Solve for x
    x = 90,257,586.47/14,121.59
  6. Step 6: Final answer
    x = 6,391.46

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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.