Home / 13,829.63-19,085.10-7,542.01

Finding the Fourth Proportional to 13,829.63, 19,085.10 and 7,542.01

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Solution

The fourth proportional to 13,829.63, 19,085.10 and 7,542.01 is: 10,408.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,829.63 : 19,085.10 = 7,542.01 : x
  2. Step 2: Convert to fraction form
    13,829.63/19,085.10 = 7,542.01/x
  3. Step 3: Cross multiply
    13,829.63x = 19,085.10 × 7,542.01
  4. Step 4: Simplify right side
    13,829.63x = 143,939,919.63
  5. Step 5: Solve for x
    x = 143,939,919.63/13,829.63
  6. Step 6: Final answer
    x = 10,408.08

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.