Home / 10,289.16-15,427.26-6,775.38

Finding the Fourth Proportional to 10,289.16, 15,427.26 and 6,775.38

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Solution

The fourth proportional to 10,289.16, 15,427.26 and 6,775.38 is: 10,158.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,289.16 : 15,427.26 = 6,775.38 : x
  2. Step 2: Convert to fraction form
    10,289.16/15,427.26 = 6,775.38/x
  3. Step 3: Cross multiply
    10,289.16x = 15,427.26 × 6,775.38
  4. Step 4: Simplify right side
    10,289.16x = 104,525,548.86
  5. Step 5: Solve for x
    x = 104,525,548.86/10,289.16
  6. Step 6: Final answer
    x = 10,158.80

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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.