Home / 10,399.10-14,346.68-6,413.30

Finding the Fourth Proportional to 10,399.10, 14,346.68 and 6,413.30

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Solution

The fourth proportional to 10,399.10, 14,346.68 and 6,413.30 is: 8,847.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,399.10 : 14,346.68 = 6,413.30 : x
  2. Step 2: Convert to fraction form
    10,399.10/14,346.68 = 6,413.30/x
  3. Step 3: Cross multiply
    10,399.10x = 14,346.68 × 6,413.30
  4. Step 4: Simplify right side
    10,399.10x = 92,009,459.04
  5. Step 5: Solve for x
    x = 92,009,459.04/10,399.10
  6. Step 6: Final answer
    x = 8,847.83

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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.