Home / 11,278.75-15,566.28-6,564.55

Finding the Fourth Proportional to 11,278.75, 15,566.28 and 6,564.55

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Solution

The fourth proportional to 11,278.75, 15,566.28 and 6,564.55 is: 9,060.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,278.75 : 15,566.28 = 6,564.55 : x
  2. Step 2: Convert to fraction form
    11,278.75/15,566.28 = 6,564.55/x
  3. Step 3: Cross multiply
    11,278.75x = 15,566.28 × 6,564.55
  4. Step 4: Simplify right side
    11,278.75x = 102,185,623.37
  5. Step 5: Solve for x
    x = 102,185,623.37/11,278.75
  6. Step 6: Final answer
    x = 9,060.01

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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.