Home / 11,510.50-17,266.20-3,618.40

Finding the Fourth Proportional to 11,510.50, 17,266.20 and 3,618.40

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Solution

The fourth proportional to 11,510.50, 17,266.20 and 3,618.40 is: 5,427.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,510.50 : 17,266.20 = 3,618.40 : x
  2. Step 2: Convert to fraction form
    11,510.50/17,266.20 = 3,618.40/x
  3. Step 3: Cross multiply
    11,510.50x = 17,266.20 × 3,618.40
  4. Step 4: Simplify right side
    11,510.50x = 62,476,018.08
  5. Step 5: Solve for x
    x = 62,476,018.08/11,510.50
  6. Step 6: Final answer
    x = 5,427.74

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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.