Home / 12,554.91-18,819.23-4,232.05

Finding the Fourth Proportional to 12,554.91, 18,819.23 and 4,232.05

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Solution

The fourth proportional to 12,554.91, 18,819.23 and 4,232.05 is: 6,343.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,554.91 : 18,819.23 = 4,232.05 : x
  2. Step 2: Convert to fraction form
    12,554.91/18,819.23 = 4,232.05/x
  3. Step 3: Cross multiply
    12,554.91x = 18,819.23 × 4,232.05
  4. Step 4: Simplify right side
    12,554.91x = 79,643,889.40
  5. Step 5: Solve for x
    x = 79,643,889.40/12,554.91
  6. Step 6: Final answer
    x = 6,343.64

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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.