Home / 11,362.44-15,678.72-6,325.68

Finding the Fourth Proportional to 11,362.44, 15,678.72 and 6,325.68

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Solution

The fourth proportional to 11,362.44, 15,678.72 and 6,325.68 is: 8,728.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,362.44 : 15,678.72 = 6,325.68 : x
  2. Step 2: Convert to fraction form
    11,362.44/15,678.72 = 6,325.68/x
  3. Step 3: Cross multiply
    11,362.44x = 15,678.72 × 6,325.68
  4. Step 4: Simplify right side
    11,362.44x = 99,178,565.53
  5. Step 5: Solve for x
    x = 99,178,565.53/11,362.44
  6. Step 6: Final answer
    x = 8,728.63

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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.