Home / 11,698.23-16,143.63-6,393.15

Finding the Fourth Proportional to 11,698.23, 16,143.63 and 6,393.15

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Solution

The fourth proportional to 11,698.23, 16,143.63 and 6,393.15 is: 8,822.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,698.23 : 16,143.63 = 6,393.15 : x
  2. Step 2: Convert to fraction form
    11,698.23/16,143.63 = 6,393.15/x
  3. Step 3: Cross multiply
    11,698.23x = 16,143.63 × 6,393.15
  4. Step 4: Simplify right side
    11,698.23x = 103,208,648.13
  5. Step 5: Solve for x
    x = 103,208,648.13/11,698.23
  6. Step 6: Final answer
    x = 8,822.59

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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.