Home / 15,864.40-23,796.60-10,939.60

Finding the Fourth Proportional to 15,864.40, 23,796.60 and 10,939.60

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Solution

The fourth proportional to 15,864.40, 23,796.60 and 10,939.60 is: 16,409.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,864.40 : 23,796.60 = 10,939.60 : x
  2. Step 2: Convert to fraction form
    15,864.40/23,796.60 = 10,939.60/x
  3. Step 3: Cross multiply
    15,864.40x = 23,796.60 × 10,939.60
  4. Step 4: Simplify right side
    15,864.40x = 260,325,285.36
  5. Step 5: Solve for x
    x = 260,325,285.36/15,864.40
  6. Step 6: Final answer
    x = 16,409.40

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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.