Home / 30,862.11-46,283.59-11,138.10

Finding the Fourth Proportional to 30,862.11, 46,283.59 and 11,138.10

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Solution

The fourth proportional to 30,862.11, 46,283.59 and 11,138.10 is: 16,703.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,862.11 : 46,283.59 = 11,138.10 : x
  2. Step 2: Convert to fraction form
    30,862.11/46,283.59 = 11,138.10/x
  3. Step 3: Cross multiply
    30,862.11x = 46,283.59 × 11,138.10
  4. Step 4: Simplify right side
    30,862.11x = 515,511,325.56
  5. Step 5: Solve for x
    x = 515,511,325.56/30,862.11
  6. Step 6: Final answer
    x = 16,703.70

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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.