Home / 15,627.96-21,567.14-8,554.37

Finding the Fourth Proportional to 15,627.96, 21,567.14 and 8,554.37

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Solution

The fourth proportional to 15,627.96, 21,567.14 and 8,554.37 is: 11,805.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,627.96 : 21,567.14 = 8,554.37 : x
  2. Step 2: Convert to fraction form
    15,627.96/21,567.14 = 8,554.37/x
  3. Step 3: Cross multiply
    15,627.96x = 21,567.14 × 8,554.37
  4. Step 4: Simplify right side
    15,627.96x = 184,493,144.79
  5. Step 5: Solve for x
    x = 184,493,144.79/15,627.96
  6. Step 6: Final answer
    x = 11,805.32

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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.