Home / 10,935.04-16,379.28-5,725.12

Finding the Fourth Proportional to 10,935.04, 16,379.28 and 5,725.12

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Solution

The fourth proportional to 10,935.04, 16,379.28 and 5,725.12 is: 8,575.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,935.04 : 16,379.28 = 5,725.12 : x
  2. Step 2: Convert to fraction form
    10,935.04/16,379.28 = 5,725.12/x
  3. Step 3: Cross multiply
    10,935.04x = 16,379.28 × 5,725.12
  4. Step 4: Simplify right side
    10,935.04x = 93,773,343.51
  5. Step 5: Solve for x
    x = 93,773,343.51/10,935.04
  6. Step 6: Final answer
    x = 8,575.49

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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.