Home / 11,277.72-15,562.98-6,561.90

Finding the Fourth Proportional to 11,277.72, 15,562.98 and 6,561.90

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Solution

The fourth proportional to 11,277.72, 15,562.98 and 6,561.90 is: 9,055.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,277.72 : 15,562.98 = 6,561.90 : x
  2. Step 2: Convert to fraction form
    11,277.72/15,562.98 = 6,561.90/x
  3. Step 3: Cross multiply
    11,277.72x = 15,562.98 × 6,561.90
  4. Step 4: Simplify right side
    11,277.72x = 102,122,718.46
  5. Step 5: Solve for x
    x = 102,122,718.46/11,277.72
  6. Step 6: Final answer
    x = 9,055.26

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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.