Home / 14,999.78-22,513.80-7,609.55

Finding the Fourth Proportional to 14,999.78, 22,513.80 and 7,609.55

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Solution

The fourth proportional to 14,999.78, 22,513.80 and 7,609.55 is: 11,421.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,999.78 : 22,513.80 = 7,609.55 : x
  2. Step 2: Convert to fraction form
    14,999.78/22,513.80 = 7,609.55/x
  3. Step 3: Cross multiply
    14,999.78x = 22,513.80 × 7,609.55
  4. Step 4: Simplify right side
    14,999.78x = 171,319,759.95
  5. Step 5: Solve for x
    x = 171,319,759.95/14,999.78
  6. Step 6: Final answer
    x = 11,421.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.