Home / 30,909.82-46,365.45-11,178.94

Finding the Fourth Proportional to 30,909.82, 46,365.45 and 11,178.94

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Solution

The fourth proportional to 30,909.82, 46,365.45 and 11,178.94 is: 16,768.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,909.82 : 46,365.45 = 11,178.94 : x
  2. Step 2: Convert to fraction form
    30,909.82/46,365.45 = 11,178.94/x
  3. Step 3: Cross multiply
    30,909.82x = 46,365.45 × 11,178.94
  4. Step 4: Simplify right side
    30,909.82x = 518,316,583.62
  5. Step 5: Solve for x
    x = 518,316,583.62/30,909.82
  6. Step 6: Final answer
    x = 16,768.67

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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.