Home / 11,355.32-17,011.49-6,409.94

Finding the Fourth Proportional to 11,355.32, 17,011.49 and 6,409.94

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Solution

The fourth proportional to 11,355.32, 17,011.49 and 6,409.94 is: 9,602.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,355.32 : 17,011.49 = 6,409.94 : x
  2. Step 2: Convert to fraction form
    11,355.32/17,011.49 = 6,409.94/x
  3. Step 3: Cross multiply
    11,355.32x = 17,011.49 × 6,409.94
  4. Step 4: Simplify right side
    11,355.32x = 109,042,513.10
  5. Step 5: Solve for x
    x = 109,042,513.10/11,355.32
  6. Step 6: Final answer
    x = 9,602.77

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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.