Home / 19,683.07-29,515.93-5,639.93

Finding the Fourth Proportional to 19,683.07, 29,515.93 and 5,639.93

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Solution

The fourth proportional to 19,683.07, 29,515.93 and 5,639.93 is: 8,457.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,683.07 : 29,515.93 = 5,639.93 : x
  2. Step 2: Convert to fraction form
    19,683.07/29,515.93 = 5,639.93/x
  3. Step 3: Cross multiply
    19,683.07x = 29,515.93 × 5,639.93
  4. Step 4: Simplify right side
    19,683.07x = 166,467,728.09
  5. Step 5: Solve for x
    x = 166,467,728.09/19,683.07
  6. Step 6: Final answer
    x = 8,457.41

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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.