Home / 19,720.67-27,215.06-10,769.00

Finding the Fourth Proportional to 19,720.67, 27,215.06 and 10,769.00

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Solution

The fourth proportional to 19,720.67, 27,215.06 and 10,769.00 is: 14,861.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,720.67 : 27,215.06 = 10,769.00 : x
  2. Step 2: Convert to fraction form
    19,720.67/27,215.06 = 10,769.00/x
  3. Step 3: Cross multiply
    19,720.67x = 27,215.06 × 10,769.00
  4. Step 4: Simplify right side
    19,720.67x = 293,078,791.22
  5. Step 5: Solve for x
    x = 293,078,791.22/19,720.67
  6. Step 6: Final answer
    x = 14,861.51

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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.