Home / 13,661.33-20,484.94-6,259.45

Finding the Fourth Proportional to 13,661.33, 20,484.94 and 6,259.45

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Solution

The fourth proportional to 13,661.33, 20,484.94 and 6,259.45 is: 9,385.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,661.33 : 20,484.94 = 6,259.45 : x
  2. Step 2: Convert to fraction form
    13,661.33/20,484.94 = 6,259.45/x
  3. Step 3: Cross multiply
    13,661.33x = 20,484.94 × 6,259.45
  4. Step 4: Simplify right side
    13,661.33x = 128,224,355.26
  5. Step 5: Solve for x
    x = 128,224,355.26/13,661.33
  6. Step 6: Final answer
    x = 9,385.93

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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.