Home / 14,438.96-19,927.86-8,469.80

Finding the Fourth Proportional to 14,438.96, 19,927.86 and 8,469.80

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Solution

The fourth proportional to 14,438.96, 19,927.86 and 8,469.80 is: 11,689.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,438.96 : 19,927.86 = 8,469.80 : x
  2. Step 2: Convert to fraction form
    14,438.96/19,927.86 = 8,469.80/x
  3. Step 3: Cross multiply
    14,438.96x = 19,927.86 × 8,469.80
  4. Step 4: Simplify right side
    14,438.96x = 168,784,988.63
  5. Step 5: Solve for x
    x = 168,784,988.63/14,438.96
  6. Step 6: Final answer
    x = 11,689.55

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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.