Home / 9,775.36-14,596.35-7,778.58

Finding the Fourth Proportional to 9,775.36, 14,596.35 and 7,778.58

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Solution

The fourth proportional to 9,775.36, 14,596.35 and 7,778.58 is: 11,614.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,775.36 : 14,596.35 = 7,778.58 : x
  2. Step 2: Convert to fraction form
    9,775.36/14,596.35 = 7,778.58/x
  3. Step 3: Cross multiply
    9,775.36x = 14,596.35 × 7,778.58
  4. Step 4: Simplify right side
    9,775.36x = 113,538,814.15
  5. Step 5: Solve for x
    x = 113,538,814.15/9,775.36
  6. Step 6: Final answer
    x = 11,614.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.