Home / 10,810.62-16,208.02-7,291.87

Finding the Fourth Proportional to 10,810.62, 16,208.02 and 7,291.87

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Solution

The fourth proportional to 10,810.62, 16,208.02 and 7,291.87 is: 10,932.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,810.62 : 16,208.02 = 7,291.87 : x
  2. Step 2: Convert to fraction form
    10,810.62/16,208.02 = 7,291.87/x
  3. Step 3: Cross multiply
    10,810.62x = 16,208.02 × 7,291.87
  4. Step 4: Simplify right side
    10,810.62x = 118,186,774.80
  5. Step 5: Solve for x
    x = 118,186,774.80/10,810.62
  6. Step 6: Final answer
    x = 10,932.47

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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.