Home / 12,303.24-18,427.07-8,621.87

Finding the Fourth Proportional to 12,303.24, 18,427.07 and 8,621.87

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Solution

The fourth proportional to 12,303.24, 18,427.07 and 8,621.87 is: 12,913.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303.24 : 18,427.07 = 8,621.87 : x
  2. Step 2: Convert to fraction form
    12,303.24/18,427.07 = 8,621.87/x
  3. Step 3: Cross multiply
    12,303.24x = 18,427.07 × 8,621.87
  4. Step 4: Simplify right side
    12,303.24x = 158,875,759.02
  5. Step 5: Solve for x
    x = 158,875,759.02/12,303.24
  6. Step 6: Final answer
    x = 12,913.32

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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.