Home / 11,703.55-16,150.79-6,398.35

Finding the Fourth Proportional to 11,703.55, 16,150.79 and 6,398.35

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Solution

The fourth proportional to 11,703.55, 16,150.79 and 6,398.35 is: 8,829.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,703.55 : 16,150.79 = 6,398.35 : x
  2. Step 2: Convert to fraction form
    11,703.55/16,150.79 = 6,398.35/x
  3. Step 3: Cross multiply
    11,703.55x = 16,150.79 × 6,398.35
  4. Step 4: Simplify right side
    11,703.55x = 103,338,407.20
  5. Step 5: Solve for x
    x = 103,338,407.20/11,703.55
  6. Step 6: Final answer
    x = 8,829.66

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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.