Home / 15,284.34-21,093.36-8,570.37

Finding the Fourth Proportional to 15,284.34, 21,093.36 and 8,570.37

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Solution

The fourth proportional to 15,284.34, 21,093.36 and 8,570.37 is: 11,827.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,284.34 : 21,093.36 = 8,570.37 : x
  2. Step 2: Convert to fraction form
    15,284.34/21,093.36 = 8,570.37/x
  3. Step 3: Cross multiply
    15,284.34x = 21,093.36 × 8,570.37
  4. Step 4: Simplify right side
    15,284.34x = 180,777,899.74
  5. Step 5: Solve for x
    x = 180,777,899.74/15,284.34
  6. Step 6: Final answer
    x = 11,827.65

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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.