Home / 30,930.80-46,368.48-11,204.72

Finding the Fourth Proportional to 30,930.80, 46,368.48 and 11,204.72

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Solution

The fourth proportional to 30,930.80, 46,368.48 and 11,204.72 is: 16,797.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,930.80 : 46,368.48 = 11,204.72 : x
  2. Step 2: Convert to fraction form
    30,930.80/46,368.48 = 11,204.72/x
  3. Step 3: Cross multiply
    30,930.80x = 46,368.48 × 11,204.72
  4. Step 4: Simplify right side
    30,930.80x = 519,545,835.23
  5. Step 5: Solve for x
    x = 519,545,835.23/30,930.80
  6. Step 6: Final answer
    x = 16,797.04

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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.