Home / 11,804.30-16,290.21-6,427.01

Finding the Fourth Proportional to 11,804.30, 16,290.21 and 6,427.01

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Solution

The fourth proportional to 11,804.30, 16,290.21 and 6,427.01 is: 8,869.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,804.30 : 16,290.21 = 6,427.01 : x
  2. Step 2: Convert to fraction form
    11,804.30/16,290.21 = 6,427.01/x
  3. Step 3: Cross multiply
    11,804.30x = 16,290.21 × 6,427.01
  4. Step 4: Simplify right side
    11,804.30x = 104,697,407.40
  5. Step 5: Solve for x
    x = 104,697,407.40/11,804.30
  6. Step 6: Final answer
    x = 8,869.43

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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.