Home / 19,375.18-26,763.72-15,613

Finding the Fourth Proportional to 19,375.18, 26,763.72 and 15,613

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Solution

The fourth proportional to 19,375.18, 26,763.72 and 15,613 is: 21,566.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,375.18 : 26,763.72 = 15,613 : x
  2. Step 2: Convert to fraction form
    19,375.18/26,763.72 = 15,613/x
  3. Step 3: Cross multiply
    19,375.18x = 26,763.72 × 15,613
  4. Step 4: Simplify right side
    19,375.18x = 417,861,960.36
  5. Step 5: Solve for x
    x = 417,861,960.36/19,375.18
  6. Step 6: Final answer
    x = 21,566.87

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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.