Home / 36,109.80-54,164.40-9,814.50

Finding the Fourth Proportional to 36,109.80, 54,164.40 and 9,814.50

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Solution

The fourth proportional to 36,109.80, 54,164.40 and 9,814.50 is: 14,721.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,109.80 : 54,164.40 = 9,814.50 : x
  2. Step 2: Convert to fraction form
    36,109.80/54,164.40 = 9,814.50/x
  3. Step 3: Cross multiply
    36,109.80x = 54,164.40 × 9,814.50
  4. Step 4: Simplify right side
    36,109.80x = 531,596,503.80
  5. Step 5: Solve for x
    x = 531,596,503.80/36,109.80
  6. Step 6: Final answer
    x = 14,721.67

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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.