Home / 19,617.98-27,072.21-10,665.25

Finding the Fourth Proportional to 19,617.98, 27,072.21 and 10,665.25

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Solution

The fourth proportional to 19,617.98, 27,072.21 and 10,665.25 is: 14,717.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,617.98 : 27,072.21 = 10,665.25 : x
  2. Step 2: Convert to fraction form
    19,617.98/27,072.21 = 10,665.25/x
  3. Step 3: Cross multiply
    19,617.98x = 27,072.21 × 10,665.25
  4. Step 4: Simplify right side
    19,617.98x = 288,731,820.02
  5. Step 5: Solve for x
    x = 288,731,820.02/19,617.98
  6. Step 6: Final answer
    x = 14,717.72

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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.