Home / 30,912.40-46,368.62-11,186.34

Finding the Fourth Proportional to 30,912.40, 46,368.62 and 11,186.34

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Solution

The fourth proportional to 30,912.40, 46,368.62 and 11,186.34 is: 16,779.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,912.40 : 46,368.62 = 11,186.34 : x
  2. Step 2: Convert to fraction form
    30,912.40/46,368.62 = 11,186.34/x
  3. Step 3: Cross multiply
    30,912.40x = 46,368.62 × 11,186.34
  4. Step 4: Simplify right side
    30,912.40x = 518,695,148.65
  5. Step 5: Solve for x
    x = 518,695,148.65/30,912.40
  6. Step 6: Final answer
    x = 16,779.52

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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.