Home / 14,535.86-21,803.81-4,147.61

Finding the Fourth Proportional to 14,535.86, 21,803.81 and 4,147.61

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Solution

The fourth proportional to 14,535.86, 21,803.81 and 4,147.61 is: 6,221.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,535.86 : 21,803.81 = 4,147.61 : x
  2. Step 2: Convert to fraction form
    14,535.86/21,803.81 = 4,147.61/x
  3. Step 3: Cross multiply
    14,535.86x = 21,803.81 × 4,147.61
  4. Step 4: Simplify right side
    14,535.86x = 90,433,570.64
  5. Step 5: Solve for x
    x = 90,433,570.64/14,535.86
  6. Step 6: Final answer
    x = 6,221.41

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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.