Home / 15,896.40-23,855.40-9,315.60

Finding the Fourth Proportional to 15,896.40, 23,855.40 and 9,315.60

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Solution

The fourth proportional to 15,896.40, 23,855.40 and 9,315.60 is: 13,979.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,896.40 : 23,855.40 = 9,315.60 : x
  2. Step 2: Convert to fraction form
    15,896.40/23,855.40 = 9,315.60/x
  3. Step 3: Cross multiply
    15,896.40x = 23,855.40 × 9,315.60
  4. Step 4: Simplify right side
    15,896.40x = 222,227,364.24
  5. Step 5: Solve for x
    x = 222,227,364.24/15,896.40
  6. Step 6: Final answer
    x = 13,979.73

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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.