Home / 12,326.36-18,478.50-4,529.72

Finding the Fourth Proportional to 12,326.36, 18,478.50 and 4,529.72

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Solution

The fourth proportional to 12,326.36, 18,478.50 and 4,529.72 is: 6,790.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,326.36 : 18,478.50 = 4,529.72 : x
  2. Step 2: Convert to fraction form
    12,326.36/18,478.50 = 4,529.72/x
  3. Step 3: Cross multiply
    12,326.36x = 18,478.50 × 4,529.72
  4. Step 4: Simplify right side
    12,326.36x = 83,702,431.02
  5. Step 5: Solve for x
    x = 83,702,431.02/12,326.36
  6. Step 6: Final answer
    x = 6,790.52

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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.