Home / 14,274.45-21,412.89-4,413.51

Finding the Fourth Proportional to 14,274.45, 21,412.89 and 4,413.51

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Solution

The fourth proportional to 14,274.45, 21,412.89 and 4,413.51 is: 6,620.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,274.45 : 21,412.89 = 4,413.51 : x
  2. Step 2: Convert to fraction form
    14,274.45/21,412.89 = 4,413.51/x
  3. Step 3: Cross multiply
    14,274.45x = 21,412.89 × 4,413.51
  4. Step 4: Simplify right side
    14,274.45x = 94,506,004.14
  5. Step 5: Solve for x
    x = 94,506,004.14/14,274.45
  6. Step 6: Final answer
    x = 6,620.64

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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.