Home / 20,664.72-30,993.60-5,870.16

Finding the Fourth Proportional to 20,664.72, 30,993.60 and 5,870.16

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Solution

The fourth proportional to 20,664.72, 30,993.60 and 5,870.16 is: 8,804.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,664.72 : 30,993.60 = 5,870.16 : x
  2. Step 2: Convert to fraction form
    20,664.72/30,993.60 = 5,870.16/x
  3. Step 3: Cross multiply
    20,664.72x = 30,993.60 × 5,870.16
  4. Step 4: Simplify right side
    20,664.72x = 181,937,390.98
  5. Step 5: Solve for x
    x = 181,937,390.98/20,664.72
  6. Step 6: Final answer
    x = 8,804.25

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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.