Home / 15,789.96-23,683.05-12,283.47

Finding the Fourth Proportional to 15,789.96, 23,683.05 and 12,283.47

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Solution

The fourth proportional to 15,789.96, 23,683.05 and 12,283.47 is: 18,423.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,789.96 : 23,683.05 = 12,283.47 : x
  2. Step 2: Convert to fraction form
    15,789.96/23,683.05 = 12,283.47/x
  3. Step 3: Cross multiply
    15,789.96x = 23,683.05 × 12,283.47
  4. Step 4: Simplify right side
    15,789.96x = 290,910,034.18
  5. Step 5: Solve for x
    x = 290,910,034.18/15,789.96
  6. Step 6: Final answer
    x = 18,423.73

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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.