Home / 15,627.60-21,566.52-8,554.68

Finding the Fourth Proportional to 15,627.60, 21,566.52 and 8,554.68

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Solution

The fourth proportional to 15,627.60, 21,566.52 and 8,554.68 is: 11,805.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,627.60 : 21,566.52 = 8,554.68 : x
  2. Step 2: Convert to fraction form
    15,627.60/21,566.52 = 8,554.68/x
  3. Step 3: Cross multiply
    15,627.60x = 21,566.52 × 8,554.68
  4. Step 4: Simplify right side
    15,627.60x = 184,494,677.31
  5. Step 5: Solve for x
    x = 184,494,677.31/15,627.60
  6. Step 6: Final answer
    x = 11,805.69

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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.