Home / 10,084.50-13,912.81-6,254.35

Finding the Fourth Proportional to 10,084.50, 13,912.81 and 6,254.35

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Solution

The fourth proportional to 10,084.50, 13,912.81 and 6,254.35 is: 8,628.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,084.50 : 13,912.81 = 6,254.35 : x
  2. Step 2: Convert to fraction form
    10,084.50/13,912.81 = 6,254.35/x
  3. Step 3: Cross multiply
    10,084.50x = 13,912.81 × 6,254.35
  4. Step 4: Simplify right side
    10,084.50x = 87,015,532.81
  5. Step 5: Solve for x
    x = 87,015,532.81/10,084.50
  6. Step 6: Final answer
    x = 8,628.64

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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.