Home / 30,866.12-46,289.58-11,142.10

Finding the Fourth Proportional to 30,866.12, 46,289.58 and 11,142.10

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Solution

The fourth proportional to 30,866.12, 46,289.58 and 11,142.10 is: 16,709.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,866.12 : 46,289.58 = 11,142.10 : x
  2. Step 2: Convert to fraction form
    30,866.12/46,289.58 = 11,142.10/x
  3. Step 3: Cross multiply
    30,866.12x = 46,289.58 × 11,142.10
  4. Step 4: Simplify right side
    30,866.12x = 515,763,129.32
  5. Step 5: Solve for x
    x = 515,763,129.32/30,866.12
  6. Step 6: Final answer
    x = 16,709.68

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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.