Home / 14,621.86-21,934.74-5,131.92

Finding the Fourth Proportional to 14,621.86, 21,934.74 and 5,131.92

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Solution

The fourth proportional to 14,621.86, 21,934.74 and 5,131.92 is: 7,698.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,621.86 : 21,934.74 = 5,131.92 : x
  2. Step 2: Convert to fraction form
    14,621.86/21,934.74 = 5,131.92/x
  3. Step 3: Cross multiply
    14,621.86x = 21,934.74 × 5,131.92
  4. Step 4: Simplify right side
    14,621.86x = 112,567,362.41
  5. Step 5: Solve for x
    x = 112,567,362.41/14,621.86
  6. Step 6: Final answer
    x = 7,698.57

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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.