Home / 12,555.37-18,828.30-4,233.16

Finding the Fourth Proportional to 12,555.37, 18,828.30 and 4,233.16

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Solution

The fourth proportional to 12,555.37, 18,828.30 and 4,233.16 is: 6,348.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,555.37 : 18,828.30 = 4,233.16 : x
  2. Step 2: Convert to fraction form
    12,555.37/18,828.30 = 4,233.16/x
  3. Step 3: Cross multiply
    12,555.37x = 18,828.30 × 4,233.16
  4. Step 4: Simplify right side
    12,555.37x = 79,703,206.43
  5. Step 5: Solve for x
    x = 79,703,206.43/12,555.37
  6. Step 6: Final answer
    x = 6,348.14

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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.