Home / 20,895.96-31,321.90-6,852.32

Finding the Fourth Proportional to 20,895.96, 31,321.90 and 6,852.32

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Solution

The fourth proportional to 20,895.96, 31,321.90 and 6,852.32 is: 10,271.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,895.96 : 31,321.90 = 6,852.32 : x
  2. Step 2: Convert to fraction form
    20,895.96/31,321.90 = 6,852.32/x
  3. Step 3: Cross multiply
    20,895.96x = 31,321.90 × 6,852.32
  4. Step 4: Simplify right side
    20,895.96x = 214,627,681.81
  5. Step 5: Solve for x
    x = 214,627,681.81/20,895.96
  6. Step 6: Final answer
    x = 10,271.25

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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.