Home / 15,284.40-21,092.46-8,570.03

Finding the Fourth Proportional to 15,284.40, 21,092.46 and 8,570.03

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Solution

The fourth proportional to 15,284.40, 21,092.46 and 8,570.03 is: 11,826.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,284.40 : 21,092.46 = 8,570.03 : x
  2. Step 2: Convert to fraction form
    15,284.40/21,092.46 = 8,570.03/x
  3. Step 3: Cross multiply
    15,284.40x = 21,092.46 × 8,570.03
  4. Step 4: Simplify right side
    15,284.40x = 180,763,014.97
  5. Step 5: Solve for x
    x = 180,763,014.97/15,284.40
  6. Step 6: Final answer
    x = 11,826.63

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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.