Home / 14,100.12-19,457.33-7,725.45

Finding the Fourth Proportional to 14,100.12, 19,457.33 and 7,725.45

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Solution

The fourth proportional to 14,100.12, 19,457.33 and 7,725.45 is: 10,660.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,100.12 : 19,457.33 = 7,725.45 : x
  2. Step 2: Convert to fraction form
    14,100.12/19,457.33 = 7,725.45/x
  3. Step 3: Cross multiply
    14,100.12x = 19,457.33 × 7,725.45
  4. Step 4: Simplify right side
    14,100.12x = 150,316,630.05
  5. Step 5: Solve for x
    x = 150,316,630.05/14,100.12
  6. Step 6: Final answer
    x = 10,660.66

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.