Home / 30,246.16-45,369.31-9,186.36

Finding the Fourth Proportional to 30,246.16, 45,369.31 and 9,186.36

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Solution

The fourth proportional to 30,246.16, 45,369.31 and 9,186.36 is: 13,779.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,246.16 : 45,369.31 = 9,186.36 : x
  2. Step 2: Convert to fraction form
    30,246.16/45,369.31 = 9,186.36/x
  3. Step 3: Cross multiply
    30,246.16x = 45,369.31 × 9,186.36
  4. Step 4: Simplify right side
    30,246.16x = 416,778,791.65
  5. Step 5: Solve for x
    x = 416,778,791.65/30,246.16
  6. Step 6: Final answer
    x = 13,779.56

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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.