Home / 12,368.10-18,554.40-4,045.80

Finding the Fourth Proportional to 12,368.10, 18,554.40 and 4,045.80

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Solution

The fourth proportional to 12,368.10, 18,554.40 and 4,045.80 is: 6,069.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,368.10 : 18,554.40 = 4,045.80 : x
  2. Step 2: Convert to fraction form
    12,368.10/18,554.40 = 4,045.80/x
  3. Step 3: Cross multiply
    12,368.10x = 18,554.40 × 4,045.80
  4. Step 4: Simplify right side
    12,368.10x = 75,067,391.52
  5. Step 5: Solve for x
    x = 75,067,391.52/12,368.10
  6. Step 6: Final answer
    x = 6,069.44

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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.