Home / 15,284.97-21,093.01-8,570.59

Finding the Fourth Proportional to 15,284.97, 21,093.01 and 8,570.59

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Solution

The fourth proportional to 15,284.97, 21,093.01 and 8,570.59 is: 11,827.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,284.97 : 21,093.01 = 8,570.59 : x
  2. Step 2: Convert to fraction form
    15,284.97/21,093.01 = 8,570.59/x
  3. Step 3: Cross multiply
    15,284.97x = 21,093.01 × 8,570.59
  4. Step 4: Simplify right side
    15,284.97x = 180,779,466.42
  5. Step 5: Solve for x
    x = 180,779,466.42/15,284.97
  6. Step 6: Final answer
    x = 11,827.27

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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.