Home / 22,421.66-30,941.64-12,349.94

Finding the Fourth Proportional to 22,421.66, 30,941.64 and 12,349.94

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Solution

The fourth proportional to 22,421.66, 30,941.64 and 12,349.94 is: 17,042.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,421.66 : 30,941.64 = 12,349.94 : x
  2. Step 2: Convert to fraction form
    22,421.66/30,941.64 = 12,349.94/x
  3. Step 3: Cross multiply
    22,421.66x = 30,941.64 × 12,349.94
  4. Step 4: Simplify right side
    22,421.66x = 382,127,242.79
  5. Step 5: Solve for x
    x = 382,127,242.79/22,421.66
  6. Step 6: Final answer
    x = 17,042.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.