Home / 10,196.64-14,065.40-6,413.84

Finding the Fourth Proportional to 10,196.64, 14,065.40 and 6,413.84

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Solution

The fourth proportional to 10,196.64, 14,065.40 and 6,413.84 is: 8,847.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,196.64 : 14,065.40 = 6,413.84 : x
  2. Step 2: Convert to fraction form
    10,196.64/14,065.40 = 6,413.84/x
  3. Step 3: Cross multiply
    10,196.64x = 14,065.40 × 6,413.84
  4. Step 4: Simplify right side
    10,196.64x = 90,213,225.14
  5. Step 5: Solve for x
    x = 90,213,225.14/10,196.64
  6. Step 6: Final answer
    x = 8,847.35

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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.