Home / 14,432.75-21,656.30-8,103.69

Finding the Fourth Proportional to 14,432.75, 21,656.30 and 8,103.69

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Solution

The fourth proportional to 14,432.75, 21,656.30 and 8,103.69 is: 12,159.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,432.75 : 21,656.30 = 8,103.69 : x
  2. Step 2: Convert to fraction form
    14,432.75/21,656.30 = 8,103.69/x
  3. Step 3: Cross multiply
    14,432.75x = 21,656.30 × 8,103.69
  4. Step 4: Simplify right side
    14,432.75x = 175,495,907.37
  5. Step 5: Solve for x
    x = 175,495,907.37/14,432.75
  6. Step 6: Final answer
    x = 12,159.56

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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.