Home / 11,718.88-17,577.41-7,277.45

Finding the Fourth Proportional to 11,718.88, 17,577.41 and 7,277.45

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Solution

The fourth proportional to 11,718.88, 17,577.41 and 7,277.45 is: 10,915.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,718.88 : 17,577.41 = 7,277.45 : x
  2. Step 2: Convert to fraction form
    11,718.88/17,577.41 = 7,277.45/x
  3. Step 3: Cross multiply
    11,718.88x = 17,577.41 × 7,277.45
  4. Step 4: Simplify right side
    11,718.88x = 127,918,598.13
  5. Step 5: Solve for x
    x = 127,918,598.13/11,718.88
  6. Step 6: Final answer
    x = 10,915.60

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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.