Home / 15,982.56-23,976.60-9,405.12

Finding the Fourth Proportional to 15,982.56, 23,976.60 and 9,405.12

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Solution

The fourth proportional to 15,982.56, 23,976.60 and 9,405.12 is: 14,109.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,982.56 : 23,976.60 = 9,405.12 : x
  2. Step 2: Convert to fraction form
    15,982.56/23,976.60 = 9,405.12/x
  3. Step 3: Cross multiply
    15,982.56x = 23,976.60 × 9,405.12
  4. Step 4: Simplify right side
    15,982.56x = 225,502,800.19
  5. Step 5: Solve for x
    x = 225,502,800.19/15,982.56
  6. Step 6: Final answer
    x = 14,109.30

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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.