Home / 12,693.22-19,039.47-4,903.72

Finding the Fourth Proportional to 12,693.22, 19,039.47 and 4,903.72

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Solution

The fourth proportional to 12,693.22, 19,039.47 and 4,903.72 is: 7,355.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,693.22 : 19,039.47 = 4,903.72 : x
  2. Step 2: Convert to fraction form
    12,693.22/19,039.47 = 4,903.72/x
  3. Step 3: Cross multiply
    12,693.22x = 19,039.47 × 4,903.72
  4. Step 4: Simplify right side
    12,693.22x = 93,364,229.83
  5. Step 5: Solve for x
    x = 93,364,229.83/12,693.22
  6. Step 6: Final answer
    x = 7,355.44

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Similar ratio
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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.