Home / 13,683.52-18,883.28-7,395.89

Finding the Fourth Proportional to 13,683.52, 18,883.28 and 7,395.89

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Solution

The fourth proportional to 13,683.52, 18,883.28 and 7,395.89 is: 10,206.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,683.52 : 18,883.28 = 7,395.89 : x
  2. Step 2: Convert to fraction form
    13,683.52/18,883.28 = 7,395.89/x
  3. Step 3: Cross multiply
    13,683.52x = 18,883.28 × 7,395.89
  4. Step 4: Simplify right side
    13,683.52x = 139,658,650.41
  5. Step 5: Solve for x
    x = 139,658,650.41/13,683.52
  6. Step 6: Final answer
    x = 10,206.34

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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.