Home / 19,195.38-26,475.93-12,818.79

Finding the Fourth Proportional to 19,195.38, 26,475.93 and 12,818.79

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Solution

The fourth proportional to 19,195.38, 26,475.93 and 12,818.79 is: 17,680.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,195.38 : 26,475.93 = 12,818.79 : x
  2. Step 2: Convert to fraction form
    19,195.38/26,475.93 = 12,818.79/x
  3. Step 3: Cross multiply
    19,195.38x = 26,475.93 × 12,818.79
  4. Step 4: Simplify right side
    19,195.38x = 339,389,386.72
  5. Step 5: Solve for x
    x = 339,389,386.72/19,195.38
  6. Step 6: Final answer
    x = 17,680.78

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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.