Home / 11,266.40-16,897.36-3,870.24

Finding the Fourth Proportional to 11,266.40, 16,897.36 and 3,870.24

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Solution

The fourth proportional to 11,266.40, 16,897.36 and 3,870.24 is: 5,804.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,266.40 : 16,897.36 = 3,870.24 : x
  2. Step 2: Convert to fraction form
    11,266.40/16,897.36 = 3,870.24/x
  3. Step 3: Cross multiply
    11,266.40x = 16,897.36 × 3,870.24
  4. Step 4: Simplify right side
    11,266.40x = 65,396,838.57
  5. Step 5: Solve for x
    x = 65,396,838.57/11,266.40
  6. Step 6: Final answer
    x = 5,804.59

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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.