Home / 21,233.05-29,303.24-12,735.50

Finding the Fourth Proportional to 21,233.05, 29,303.24 and 12,735.50

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Solution

The fourth proportional to 21,233.05, 29,303.24 and 12,735.50 is: 17,575.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,233.05 : 29,303.24 = 12,735.50 : x
  2. Step 2: Convert to fraction form
    21,233.05/29,303.24 = 12,735.50/x
  3. Step 3: Cross multiply
    21,233.05x = 29,303.24 × 12,735.50
  4. Step 4: Simplify right side
    21,233.05x = 373,191,413.02
  5. Step 5: Solve for x
    x = 373,191,413.02/21,233.05
  6. Step 6: Final answer
    x = 17,575.97

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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.