Home / 12,153.28-16,771.53-6,564.28

Finding the Fourth Proportional to 12,153.28, 16,771.53 and 6,564.28

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Solution

The fourth proportional to 12,153.28, 16,771.53 and 6,564.28 is: 9,058.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,153.28 : 16,771.53 = 6,564.28 : x
  2. Step 2: Convert to fraction form
    12,153.28/16,771.53 = 6,564.28/x
  3. Step 3: Cross multiply
    12,153.28x = 16,771.53 × 6,564.28
  4. Step 4: Simplify right side
    12,153.28x = 110,093,018.95
  5. Step 5: Solve for x
    x = 110,093,018.95/12,153.28
  6. Step 6: Final answer
    x = 9,058.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.