Home / 11,639.36-16,056.96-7,451.84

Finding the Fourth Proportional to 11,639.36, 16,056.96 and 7,451.84

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Solution

The fourth proportional to 11,639.36, 16,056.96 and 7,451.84 is: 10,280.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,639.36 : 16,056.96 = 7,451.84 : x
  2. Step 2: Convert to fraction form
    11,639.36/16,056.96 = 7,451.84/x
  3. Step 3: Cross multiply
    11,639.36x = 16,056.96 × 7,451.84
  4. Step 4: Simplify right side
    11,639.36x = 119,653,896.81
  5. Step 5: Solve for x
    x = 119,653,896.81/11,639.36
  6. Step 6: Final answer
    x = 10,280.11

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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.