Home / 11,017.88-15,197.75-6,538.46

Finding the Fourth Proportional to 11,017.88, 15,197.75 and 6,538.46

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Solution

The fourth proportional to 11,017.88, 15,197.75 and 6,538.46 is: 9,018.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,017.88 : 15,197.75 = 6,538.46 : x
  2. Step 2: Convert to fraction form
    11,017.88/15,197.75 = 6,538.46/x
  3. Step 3: Cross multiply
    11,017.88x = 15,197.75 × 6,538.46
  4. Step 4: Simplify right side
    11,017.88x = 99,369,880.47
  5. Step 5: Solve for x
    x = 99,369,880.47/11,017.88
  6. Step 6: Final answer
    x = 9,018.97

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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.