Home / 11,185.74-16,780.64-4,608.35

Finding the Fourth Proportional to 11,185.74, 16,780.64 and 4,608.35

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Solution

The fourth proportional to 11,185.74, 16,780.64 and 4,608.35 is: 6,913.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,185.74 : 16,780.64 = 4,608.35 : x
  2. Step 2: Convert to fraction form
    11,185.74/16,780.64 = 4,608.35/x
  3. Step 3: Cross multiply
    11,185.74x = 16,780.64 × 4,608.35
  4. Step 4: Simplify right side
    11,185.74x = 77,330,955.40
  5. Step 5: Solve for x
    x = 77,330,955.40/11,185.74
  6. Step 6: Final answer
    x = 6,913.35

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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.