Home / 43,466.12-65,202.66-13,888.16

Finding the Fourth Proportional to 43,466.12, 65,202.66 and 13,888.16

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Solution

The fourth proportional to 43,466.12, 65,202.66 and 13,888.16 is: 20,833.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,466.12 : 65,202.66 = 13,888.16 : x
  2. Step 2: Convert to fraction form
    43,466.12/65,202.66 = 13,888.16/x
  3. Step 3: Cross multiply
    43,466.12x = 65,202.66 × 13,888.16
  4. Step 4: Simplify right side
    43,466.12x = 905,544,974.51
  5. Step 5: Solve for x
    x = 905,544,974.51/43,466.12
  6. Step 6: Final answer
    x = 20,833.35

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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.