Home / 12,159.06-18,205.70-6,303.37

Finding the Fourth Proportional to 12,159.06, 18,205.70 and 6,303.37

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Solution

The fourth proportional to 12,159.06, 18,205.70 and 6,303.37 is: 9,438.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,159.06 : 18,205.70 = 6,303.37 : x
  2. Step 2: Convert to fraction form
    12,159.06/18,205.70 = 6,303.37/x
  3. Step 3: Cross multiply
    12,159.06x = 18,205.70 × 6,303.37
  4. Step 4: Simplify right side
    12,159.06x = 114,757,263.21
  5. Step 5: Solve for x
    x = 114,757,263.21/12,159.06
  6. Step 6: Final answer
    x = 9,438.00

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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.