Home / 13,072.89-19,602.85-5,575.28

Finding the Fourth Proportional to 13,072.89, 19,602.85 and 5,575.28

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Solution

The fourth proportional to 13,072.89, 19,602.85 and 5,575.28 is: 8,360.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,072.89 : 19,602.85 = 5,575.28 : x
  2. Step 2: Convert to fraction form
    13,072.89/19,602.85 = 5,575.28/x
  3. Step 3: Cross multiply
    13,072.89x = 19,602.85 × 5,575.28
  4. Step 4: Simplify right side
    13,072.89x = 109,291,413.76
  5. Step 5: Solve for x
    x = 109,291,413.76/13,072.89
  6. Step 6: Final answer
    x = 8,360.15

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1.5x scale

Why These Related Problems?

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