Home / 13,153.47-19,722.90-4,383.60

Finding the Fourth Proportional to 13,153.47, 19,722.90 and 4,383.60

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Solution

The fourth proportional to 13,153.47, 19,722.90 and 4,383.60 is: 6,572.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,153.47 : 19,722.90 = 4,383.60 : x
  2. Step 2: Convert to fraction form
    13,153.47/19,722.90 = 4,383.60/x
  3. Step 3: Cross multiply
    13,153.47x = 19,722.90 × 4,383.60
  4. Step 4: Simplify right side
    13,153.47x = 86,457,304.44
  5. Step 5: Solve for x
    x = 86,457,304.44/13,153.47
  6. Step 6: Final answer
    x = 6,572.97

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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.