Home / 16,211.75-22,390.65-10,897.34

Finding the Fourth Proportional to 16,211.75, 22,390.65 and 10,897.34

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Solution

The fourth proportional to 16,211.75, 22,390.65 and 10,897.34 is: 15,050.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,211.75 : 22,390.65 = 10,897.34 : x
  2. Step 2: Convert to fraction form
    16,211.75/22,390.65 = 10,897.34/x
  3. Step 3: Cross multiply
    16,211.75x = 22,390.65 × 10,897.34
  4. Step 4: Simplify right side
    16,211.75x = 243,998,413.92
  5. Step 5: Solve for x
    x = 243,998,413.92/16,211.75
  6. Step 6: Final answer
    x = 15,050.72

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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.