Home / 15,284.85-21,092.82-8,570.46

Finding the Fourth Proportional to 15,284.85, 21,092.82 and 8,570.46

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Solution

The fourth proportional to 15,284.85, 21,092.82 and 8,570.46 is: 11,827.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,284.85 : 21,092.82 = 8,570.46 : x
  2. Step 2: Convert to fraction form
    15,284.85/21,092.82 = 8,570.46/x
  3. Step 3: Cross multiply
    15,284.85x = 21,092.82 × 8,570.46
  4. Step 4: Simplify right side
    15,284.85x = 180,775,170.10
  5. Step 5: Solve for x
    x = 180,775,170.10/15,284.85
  6. Step 6: Final answer
    x = 11,827.08

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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.