Home / 10,673.60-14,723.48-6,687.78

Finding the Fourth Proportional to 10,673.60, 14,723.48 and 6,687.78

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Solution

The fourth proportional to 10,673.60, 14,723.48 and 6,687.78 is: 9,225.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,673.60 : 14,723.48 = 6,687.78 : x
  2. Step 2: Convert to fraction form
    10,673.60/14,723.48 = 6,687.78/x
  3. Step 3: Cross multiply
    10,673.60x = 14,723.48 × 6,687.78
  4. Step 4: Simplify right side
    10,673.60x = 98,467,361.64
  5. Step 5: Solve for x
    x = 98,467,361.64/10,673.60
  6. Step 6: Final answer
    x = 9,225.32

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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.