Home / 12,243.45-18,354.40-4,853.10

Finding the Fourth Proportional to 12,243.45, 18,354.40 and 4,853.10

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Solution

The fourth proportional to 12,243.45, 18,354.40 and 4,853.10 is: 7,275.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,243.45 : 18,354.40 = 4,853.10 : x
  2. Step 2: Convert to fraction form
    12,243.45/18,354.40 = 4,853.10/x
  3. Step 3: Cross multiply
    12,243.45x = 18,354.40 × 4,853.10
  4. Step 4: Simplify right side
    12,243.45x = 89,075,675.88
  5. Step 5: Solve for x
    x = 89,075,675.88/12,243.45
  6. Step 6: Final answer
    x = 7,275.38

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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.