Home / 15,284.26-21,092.87-8,570.04

Finding the Fourth Proportional to 15,284.26, 21,092.87 and 8,570.04

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Solution

The fourth proportional to 15,284.26, 21,092.87 and 8,570.04 is: 11,826.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,284.26 : 21,092.87 = 8,570.04 : x
  2. Step 2: Convert to fraction form
    15,284.26/21,092.87 = 8,570.04/x
  3. Step 3: Cross multiply
    15,284.26x = 21,092.87 × 8,570.04
  4. Step 4: Simplify right side
    15,284.26x = 180,766,681.94
  5. Step 5: Solve for x
    x = 180,766,681.94/15,284.26
  6. Step 6: Final answer
    x = 11,826.98

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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.