Home / 14,609.20-21,915.04-6,289.44

Finding the Fourth Proportional to 14,609.20, 21,915.04 and 6,289.44

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Solution

The fourth proportional to 14,609.20, 21,915.04 and 6,289.44 is: 9,434.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,609.20 : 21,915.04 = 6,289.44 : x
  2. Step 2: Convert to fraction form
    14,609.20/21,915.04 = 6,289.44/x
  3. Step 3: Cross multiply
    14,609.20x = 21,915.04 × 6,289.44
  4. Step 4: Simplify right side
    14,609.20x = 137,833,329.18
  5. Step 5: Solve for x
    x = 137,833,329.18/14,609.20
  6. Step 6: Final answer
    x = 9,434.69

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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.