Home / 13,587.61-20,351.30-10,444.48

Finding the Fourth Proportional to 13,587.61, 20,351.30 and 10,444.48

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Solution

The fourth proportional to 13,587.61, 20,351.30 and 10,444.48 is: 15,643.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,587.61 : 20,351.30 = 10,444.48 : x
  2. Step 2: Convert to fraction form
    13,587.61/20,351.30 = 10,444.48/x
  3. Step 3: Cross multiply
    13,587.61x = 20,351.30 × 10,444.48
  4. Step 4: Simplify right side
    13,587.61x = 212,558,745.82
  5. Step 5: Solve for x
    x = 212,558,745.82/13,587.61
  6. Step 6: Final answer
    x = 15,643.57

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.