Home / 14,535.75-21,803.83-4,147.50

Finding the Fourth Proportional to 14,535.75, 21,803.83 and 4,147.50

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Solution

The fourth proportional to 14,535.75, 21,803.83 and 4,147.50 is: 6,221.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,535.75 : 21,803.83 = 4,147.50 : x
  2. Step 2: Convert to fraction form
    14,535.75/21,803.83 = 4,147.50/x
  3. Step 3: Cross multiply
    14,535.75x = 21,803.83 × 4,147.50
  4. Step 4: Simplify right side
    14,535.75x = 90,431,384.93
  5. Step 5: Solve for x
    x = 90,431,384.93/14,535.75
  6. Step 6: Final answer
    x = 6,221.31

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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.