Home / 11,421.48-17,127.90-4,850.76

Finding the Fourth Proportional to 11,421.48, 17,127.90 and 4,850.76

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Solution

The fourth proportional to 11,421.48, 17,127.90 and 4,850.76 is: 7,274.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,421.48 : 17,127.90 = 4,850.76 : x
  2. Step 2: Convert to fraction form
    11,421.48/17,127.90 = 4,850.76/x
  3. Step 3: Cross multiply
    11,421.48x = 17,127.90 × 4,850.76
  4. Step 4: Simplify right side
    11,421.48x = 83,083,332.20
  5. Step 5: Solve for x
    x = 83,083,332.20/11,421.48
  6. Step 6: Final answer
    x = 7,274.31

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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.