Home / 10,768.63-14,859.37-6,289.12

Finding the Fourth Proportional to 10,768.63, 14,859.37 and 6,289.12

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Solution

The fourth proportional to 10,768.63, 14,859.37 and 6,289.12 is: 8,678.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,768.63 : 14,859.37 = 6,289.12 : x
  2. Step 2: Convert to fraction form
    10,768.63/14,859.37 = 6,289.12/x
  3. Step 3: Cross multiply
    10,768.63x = 14,859.37 × 6,289.12
  4. Step 4: Simplify right side
    10,768.63x = 93,452,361.05
  5. Step 5: Solve for x
    x = 93,452,361.05/10,768.63
  6. Step 6: Final answer
    x = 8,678.20

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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.