Home / 18,014.72-27,013.76-14,110.72

Finding the Fourth Proportional to 18,014.72, 27,013.76 and 14,110.72

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Solution

The fourth proportional to 18,014.72, 27,013.76 and 14,110.72 is: 21,159.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,014.72 : 27,013.76 = 14,110.72 : x
  2. Step 2: Convert to fraction form
    18,014.72/27,013.76 = 14,110.72/x
  3. Step 3: Cross multiply
    18,014.72x = 27,013.76 × 14,110.72
  4. Step 4: Simplify right side
    18,014.72x = 381,183,603.51
  5. Step 5: Solve for x
    x = 381,183,603.51/18,014.72
  6. Step 6: Final answer
    x = 21,159.56

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1.5x scale

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.