Home / 13,683.61-18,883.49-8,018.52

Finding the Fourth Proportional to 13,683.61, 18,883.49 and 8,018.52

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Solution

The fourth proportional to 13,683.61, 18,883.49 and 8,018.52 is: 11,065.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,683.61 : 18,883.49 = 8,018.52 : x
  2. Step 2: Convert to fraction form
    13,683.61/18,883.49 = 8,018.52/x
  3. Step 3: Cross multiply
    13,683.61x = 18,883.49 × 8,018.52
  4. Step 4: Simplify right side
    13,683.61x = 151,417,640.82
  5. Step 5: Solve for x
    x = 151,417,640.82/13,683.61
  6. Step 6: Final answer
    x = 11,065.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.