Home / 11,857.40-16,363.53-6,552.55

Finding the Fourth Proportional to 11,857.40, 16,363.53 and 6,552.55

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Solution

The fourth proportional to 11,857.40, 16,363.53 and 6,552.55 is: 9,042.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,857.40 : 16,363.53 = 6,552.55 : x
  2. Step 2: Convert to fraction form
    11,857.40/16,363.53 = 6,552.55/x
  3. Step 3: Cross multiply
    11,857.40x = 16,363.53 × 6,552.55
  4. Step 4: Simplify right side
    11,857.40x = 107,222,848.50
  5. Step 5: Solve for x
    x = 107,222,848.50/11,857.40
  6. Step 6: Final answer
    x = 9,042.69

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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.