Home / 9,677.28-14,515.90-6,389.60

Finding the Fourth Proportional to 9,677.28, 14,515.90 and 6,389.60

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Solution

The fourth proportional to 9,677.28, 14,515.90 and 6,389.60 is: 9,584.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,677.28 : 14,515.90 = 6,389.60 : x
  2. Step 2: Convert to fraction form
    9,677.28/14,515.90 = 6,389.60/x
  3. Step 3: Cross multiply
    9,677.28x = 14,515.90 × 6,389.60
  4. Step 4: Simplify right side
    9,677.28x = 92,750,794.64
  5. Step 5: Solve for x
    x = 92,750,794.64/9,677.28
  6. Step 6: Final answer
    x = 9,584.39

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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.