Home / 30,197.90-45,314.67-11,493.69

Finding the Fourth Proportional to 30,197.90, 45,314.67 and 11,493.69

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Solution

The fourth proportional to 30,197.90, 45,314.67 and 11,493.69 is: 17,247.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,197.90 : 45,314.67 = 11,493.69 : x
  2. Step 2: Convert to fraction form
    30,197.90/45,314.67 = 11,493.69/x
  3. Step 3: Cross multiply
    30,197.90x = 45,314.67 × 11,493.69
  4. Step 4: Simplify right side
    30,197.90x = 520,832,769.43
  5. Step 5: Solve for x
    x = 520,832,769.43/30,197.90
  6. Step 6: Final answer
    x = 17,247.32

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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.