Home / 12,368.50-18,554.87-4,046.15

Finding the Fourth Proportional to 12,368.50, 18,554.87 and 4,046.15

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Solution

The fourth proportional to 12,368.50, 18,554.87 and 4,046.15 is: 6,069.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,368.50 : 18,554.87 = 4,046.15 : x
  2. Step 2: Convert to fraction form
    12,368.50/18,554.87 = 4,046.15/x
  3. Step 3: Cross multiply
    12,368.50x = 18,554.87 × 4,046.15
  4. Step 4: Simplify right side
    12,368.50x = 75,075,843.75
  5. Step 5: Solve for x
    x = 75,075,843.75/12,368.50
  6. Step 6: Final answer
    x = 6,069.92

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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.