Home / 10,897.08-16,319.70-8,413.80

Finding the Fourth Proportional to 10,897.08, 16,319.70 and 8,413.80

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Solution

The fourth proportional to 10,897.08, 16,319.70 and 8,413.80 is: 12,600.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,897.08 : 16,319.70 = 8,413.80 : x
  2. Step 2: Convert to fraction form
    10,897.08/16,319.70 = 8,413.80/x
  3. Step 3: Cross multiply
    10,897.08x = 16,319.70 × 8,413.80
  4. Step 4: Simplify right side
    10,897.08x = 137,310,691.86
  5. Step 5: Solve for x
    x = 137,310,691.86/10,897.08
  6. Step 6: Final answer
    x = 12,600.69

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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.