Home / 12,941.66-19,416.57-4,621.49

Finding the Fourth Proportional to 12,941.66, 19,416.57 and 4,621.49

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Solution

The fourth proportional to 12,941.66, 19,416.57 and 4,621.49 is: 6,933.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,941.66 : 19,416.57 = 4,621.49 : x
  2. Step 2: Convert to fraction form
    12,941.66/19,416.57 = 4,621.49/x
  3. Step 3: Cross multiply
    12,941.66x = 19,416.57 × 4,621.49
  4. Step 4: Simplify right side
    12,941.66x = 89,733,387.01
  5. Step 5: Solve for x
    x = 89,733,387.01/12,941.66
  6. Step 6: Final answer
    x = 6,933.69

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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.