Home / 12,453.04-18,621.96-9,647.92

Finding the Fourth Proportional to 12,453.04, 18,621.96 and 9,647.92

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Solution

The fourth proportional to 12,453.04, 18,621.96 and 9,647.92 is: 14,427.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,453.04 : 18,621.96 = 9,647.92 : x
  2. Step 2: Convert to fraction form
    12,453.04/18,621.96 = 9,647.92/x
  3. Step 3: Cross multiply
    12,453.04x = 18,621.96 × 9,647.92
  4. Step 4: Simplify right side
    12,453.04x = 179,663,180.32
  5. Step 5: Solve for x
    x = 179,663,180.32/12,453.04
  6. Step 6: Final answer
    x = 14,427.25

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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.