Home / 15,683.41-23,529-7,789.63

Finding the Fourth Proportional to 15,683.41, 23,529 and 7,789.63

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Solution

The fourth proportional to 15,683.41, 23,529 and 7,789.63 is: 11,686.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,683.41 : 23,529 = 7,789.63 : x
  2. Step 2: Convert to fraction form
    15,683.41/23,529 = 7,789.63/x
  3. Step 3: Cross multiply
    15,683.41x = 23,529 × 7,789.63
  4. Step 4: Simplify right side
    15,683.41x = 183,282,204.27
  5. Step 5: Solve for x
    x = 183,282,204.27/15,683.41
  6. Step 6: Final answer
    x = 11,686.37

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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.