Home / 15,627.48-21,566.16-8,554.56

Finding the Fourth Proportional to 15,627.48, 21,566.16 and 8,554.56

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Solution

The fourth proportional to 15,627.48, 21,566.16 and 8,554.56 is: 11,805.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,627.48 : 21,566.16 = 8,554.56 : x
  2. Step 2: Convert to fraction form
    15,627.48/21,566.16 = 8,554.56/x
  3. Step 3: Cross multiply
    15,627.48x = 21,566.16 × 8,554.56
  4. Step 4: Simplify right side
    15,627.48x = 184,489,009.69
  5. Step 5: Solve for x
    x = 184,489,009.69/15,627.48
  6. Step 6: Final answer
    x = 11,805.42

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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.