Home / 15,308.35-21,122.84-8,594.26

Finding the Fourth Proportional to 15,308.35, 21,122.84 and 8,594.26

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Solution

The fourth proportional to 15,308.35, 21,122.84 and 8,594.26 is: 11,858.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,308.35 : 21,122.84 = 8,594.26 : x
  2. Step 2: Convert to fraction form
    15,308.35/21,122.84 = 8,594.26/x
  3. Step 3: Cross multiply
    15,308.35x = 21,122.84 × 8,594.26
  4. Step 4: Simplify right side
    15,308.35x = 181,535,147.58
  5. Step 5: Solve for x
    x = 181,535,147.58/15,308.35
  6. Step 6: Final answer
    x = 11,858.57

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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.