Home / 18,551.07-27,827.89-7,457.77

Finding the Fourth Proportional to 18,551.07, 27,827.89 and 7,457.77

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Solution

The fourth proportional to 18,551.07, 27,827.89 and 7,457.77 is: 11,187.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,551.07 : 27,827.89 = 7,457.77 : x
  2. Step 2: Convert to fraction form
    18,551.07/27,827.89 = 7,457.77/x
  3. Step 3: Cross multiply
    18,551.07x = 27,827.89 × 7,457.77
  4. Step 4: Simplify right side
    18,551.07x = 207,533,933.64
  5. Step 5: Solve for x
    x = 207,533,933.64/18,551.07
  6. Step 6: Final answer
    x = 11,187.17

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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.