Home / 14,445.07-21,667.60-5,440.88

Finding the Fourth Proportional to 14,445.07, 21,667.60 and 5,440.88

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Solution

The fourth proportional to 14,445.07, 21,667.60 and 5,440.88 is: 8,161.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,445.07 : 21,667.60 = 5,440.88 : x
  2. Step 2: Convert to fraction form
    14,445.07/21,667.60 = 5,440.88/x
  3. Step 3: Cross multiply
    14,445.07x = 21,667.60 × 5,440.88
  4. Step 4: Simplify right side
    14,445.07x = 117,890,841.85
  5. Step 5: Solve for x
    x = 117,890,841.85/14,445.07
  6. Step 6: Final answer
    x = 8,161.32

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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.