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Finding the Fourth Proportional to 35,786.96, 53,683.08 and 9,491.12

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Solution

The fourth proportional to 35,786.96, 53,683.08 and 9,491.12 is: 14,237.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,786.96 : 53,683.08 = 9,491.12 : x
  2. Step 2: Convert to fraction form
    35,786.96/53,683.08 = 9,491.12/x
  3. Step 3: Cross multiply
    35,786.96x = 53,683.08 × 9,491.12
  4. Step 4: Simplify right side
    35,786.96x = 509,512,554.25
  5. Step 5: Solve for x
    x = 509,512,554.25/35,786.96
  6. Step 6: Final answer
    x = 14,237.38

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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.