Home / 10,872.07-16,316.33-7,173.07

Finding the Fourth Proportional to 10,872.07, 16,316.33 and 7,173.07

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Solution

The fourth proportional to 10,872.07, 16,316.33 and 7,173.07 is: 10,765.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872.07 : 16,316.33 = 7,173.07 : x
  2. Step 2: Convert to fraction form
    10,872.07/16,316.33 = 7,173.07/x
  3. Step 3: Cross multiply
    10,872.07x = 16,316.33 × 7,173.07
  4. Step 4: Simplify right side
    10,872.07x = 117,038,177.23
  5. Step 5: Solve for x
    x = 117,038,177.23/10,872.07
  6. Step 6: Final answer
    x = 10,765.03

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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.