Home / 30,246.06-45,369.09-9,186.06

Finding the Fourth Proportional to 30,246.06, 45,369.09 and 9,186.06

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Solution

The fourth proportional to 30,246.06, 45,369.09 and 9,186.06 is: 13,779.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,246.06 : 45,369.09 = 9,186.06 : x
  2. Step 2: Convert to fraction form
    30,246.06/45,369.09 = 9,186.06/x
  3. Step 3: Cross multiply
    30,246.06x = 45,369.09 × 9,186.06
  4. Step 4: Simplify right side
    30,246.06x = 416,763,182.89
  5. Step 5: Solve for x
    x = 416,763,182.89/30,246.06
  6. Step 6: Final answer
    x = 13,779.09

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Similar ratio
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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.