Home / 9,764.60-14,639.70-4,213.40

Finding the Fourth Proportional to 9,764.60, 14,639.70 and 4,213.40

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Solution

The fourth proportional to 9,764.60, 14,639.70 and 4,213.40 is: 6,316.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,764.60 : 14,639.70 = 4,213.40 : x
  2. Step 2: Convert to fraction form
    9,764.60/14,639.70 = 4,213.40/x
  3. Step 3: Cross multiply
    9,764.60x = 14,639.70 × 4,213.40
  4. Step 4: Simplify right side
    9,764.60x = 61,682,911.98
  5. Step 5: Solve for x
    x = 61,682,911.98/9,764.60
  6. Step 6: Final answer
    x = 6,316.99

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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.