Home / 10,289.87-14,200.28-6,308.67

Finding the Fourth Proportional to 10,289.87, 14,200.28 and 6,308.67

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Solution

The fourth proportional to 10,289.87, 14,200.28 and 6,308.67 is: 8,706.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,289.87 : 14,200.28 = 6,308.67 : x
  2. Step 2: Convert to fraction form
    10,289.87/14,200.28 = 6,308.67/x
  3. Step 3: Cross multiply
    10,289.87x = 14,200.28 × 6,308.67
  4. Step 4: Simplify right side
    10,289.87x = 89,584,880.43
  5. Step 5: Solve for x
    x = 89,584,880.43/10,289.87
  6. Step 6: Final answer
    x = 8,706.12

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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.