Home / 13,858.06-19,123.41-7,569.22

Finding the Fourth Proportional to 13,858.06, 19,123.41 and 7,569.22

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Solution

The fourth proportional to 13,858.06, 19,123.41 and 7,569.22 is: 10,445.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,858.06 : 19,123.41 = 7,569.22 : x
  2. Step 2: Convert to fraction form
    13,858.06/19,123.41 = 7,569.22/x
  3. Step 3: Cross multiply
    13,858.06x = 19,123.41 × 7,569.22
  4. Step 4: Simplify right side
    13,858.06x = 144,749,297.44
  5. Step 5: Solve for x
    x = 144,749,297.44/13,858.06
  6. Step 6: Final answer
    x = 10,445.13

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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.