Home / 15,284.73-21,092.44-8,570.75

Finding the Fourth Proportional to 15,284.73, 21,092.44 and 8,570.75

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Solution

The fourth proportional to 15,284.73, 21,092.44 and 8,570.75 is: 11,827.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,284.73 : 21,092.44 = 8,570.75 : x
  2. Step 2: Convert to fraction form
    15,284.73/21,092.44 = 8,570.75/x
  3. Step 3: Cross multiply
    15,284.73x = 21,092.44 × 8,570.75
  4. Step 4: Simplify right side
    15,284.73x = 180,778,030.13
  5. Step 5: Solve for x
    x = 180,778,030.13/15,284.73
  6. Step 6: Final answer
    x = 11,827.36

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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.