Home / 13,795.43-20,693.16-6,398.91

Finding the Fourth Proportional to 13,795.43, 20,693.16 and 6,398.91

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Solution

The fourth proportional to 13,795.43, 20,693.16 and 6,398.91 is: 9,598.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,795.43 : 20,693.16 = 6,398.91 : x
  2. Step 2: Convert to fraction form
    13,795.43/20,693.16 = 6,398.91/x
  3. Step 3: Cross multiply
    13,795.43x = 20,693.16 × 6,398.91
  4. Step 4: Simplify right side
    13,795.43x = 132,413,668.46
  5. Step 5: Solve for x
    x = 132,413,668.46/13,795.43
  6. Step 6: Final answer
    x = 9,598.38

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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.