Home / 13,857.44-19,123.74-7,570.22

Finding the Fourth Proportional to 13,857.44, 19,123.74 and 7,570.22

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Solution

The fourth proportional to 13,857.44, 19,123.74 and 7,570.22 is: 10,447.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,857.44 : 19,123.74 = 7,570.22 : x
  2. Step 2: Convert to fraction form
    13,857.44/19,123.74 = 7,570.22/x
  3. Step 3: Cross multiply
    13,857.44x = 19,123.74 × 7,570.22
  4. Step 4: Simplify right side
    13,857.44x = 144,770,919.02
  5. Step 5: Solve for x
    x = 144,770,919.02/13,857.44
  6. Step 6: Final answer
    x = 10,447.16

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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.