Home / 19,899.56-27,450.48-12,343.28

Finding the Fourth Proportional to 19,899.56, 27,450.48 and 12,343.28

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Solution

The fourth proportional to 19,899.56, 27,450.48 and 12,343.28 is: 17,026.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,899.56 : 27,450.48 = 12,343.28 : x
  2. Step 2: Convert to fraction form
    19,899.56/27,450.48 = 12,343.28/x
  3. Step 3: Cross multiply
    19,899.56x = 27,450.48 × 12,343.28
  4. Step 4: Simplify right side
    19,899.56x = 338,828,960.77
  5. Step 5: Solve for x
    x = 338,828,960.77/19,899.56
  6. Step 6: Final answer
    x = 17,026.96

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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.