Home / 11,491.52-17,210.72-6,864.32

Finding the Fourth Proportional to 11,491.52, 17,210.72 and 6,864.32

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Solution

The fourth proportional to 11,491.52, 17,210.72 and 6,864.32 is: 10,280.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,491.52 : 17,210.72 = 6,864.32 : x
  2. Step 2: Convert to fraction form
    11,491.52/17,210.72 = 6,864.32/x
  3. Step 3: Cross multiply
    11,491.52x = 17,210.72 × 6,864.32
  4. Step 4: Simplify right side
    11,491.52x = 118,139,889.51
  5. Step 5: Solve for x
    x = 118,139,889.51/11,491.52
  6. Step 6: Final answer
    x = 10,280.61

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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.