Home / 13,253.60-18,289.56-7,285.25

Finding the Fourth Proportional to 13,253.60, 18,289.56 and 7,285.25

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Solution

The fourth proportional to 13,253.60, 18,289.56 and 7,285.25 is: 10,053.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,253.60 : 18,289.56 = 7,285.25 : x
  2. Step 2: Convert to fraction form
    13,253.60/18,289.56 = 7,285.25/x
  3. Step 3: Cross multiply
    13,253.60x = 18,289.56 × 7,285.25
  4. Step 4: Simplify right side
    13,253.60x = 133,244,090.03
  5. Step 5: Solve for x
    x = 133,244,090.03/13,253.60
  6. Step 6: Final answer
    x = 10,053.42

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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.