Home / 15,633.26-21,575.95-8,917.34

Finding the Fourth Proportional to 15,633.26, 21,575.95 and 8,917.34

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Solution

The fourth proportional to 15,633.26, 21,575.95 and 8,917.34 is: 12,307.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,633.26 : 21,575.95 = 8,917.34 : x
  2. Step 2: Convert to fraction form
    15,633.26/21,575.95 = 8,917.34/x
  3. Step 3: Cross multiply
    15,633.26x = 21,575.95 × 8,917.34
  4. Step 4: Simplify right side
    15,633.26x = 192,400,081.97
  5. Step 5: Solve for x
    x = 192,400,081.97/15,633.26
  6. Step 6: Final answer
    x = 12,307.10

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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.