Home / 11,487.07-17,239.18-8,532.34

Finding the Fourth Proportional to 11,487.07, 17,239.18 and 8,532.34

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Solution

The fourth proportional to 11,487.07, 17,239.18 and 8,532.34 is: 12,804.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,487.07 : 17,239.18 = 8,532.34 : x
  2. Step 2: Convert to fraction form
    11,487.07/17,239.18 = 8,532.34/x
  3. Step 3: Cross multiply
    11,487.07x = 17,239.18 × 8,532.34
  4. Step 4: Simplify right side
    11,487.07x = 147,090,496.65
  5. Step 5: Solve for x
    x = 147,090,496.65/11,487.07
  6. Step 6: Final answer
    x = 12,804.88

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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.