Home / 30,007.53-45,017.99-11,287.73

Finding the Fourth Proportional to 30,007.53, 45,017.99 and 11,287.73

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Solution

The fourth proportional to 30,007.53, 45,017.99 and 11,287.73 is: 16,934.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,007.53 : 45,017.99 = 11,287.73 : x
  2. Step 2: Convert to fraction form
    30,007.53/45,017.99 = 11,287.73/x
  3. Step 3: Cross multiply
    30,007.53x = 45,017.99 × 11,287.73
  4. Step 4: Simplify right side
    30,007.53x = 508,150,634.73
  5. Step 5: Solve for x
    x = 508,150,634.73/30,007.53
  6. Step 6: Final answer
    x = 16,934.10

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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.