Home / 15,576.40-23,364.60-13,891.60

Finding the Fourth Proportional to 15,576.40, 23,364.60 and 13,891.60

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Solution

The fourth proportional to 15,576.40, 23,364.60 and 13,891.60 is: 20,837.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,576.40 : 23,364.60 = 13,891.60 : x
  2. Step 2: Convert to fraction form
    15,576.40/23,364.60 = 13,891.60/x
  3. Step 3: Cross multiply
    15,576.40x = 23,364.60 × 13,891.60
  4. Step 4: Simplify right side
    15,576.40x = 324,571,677.36
  5. Step 5: Solve for x
    x = 324,571,677.36/15,576.40
  6. Step 6: Final answer
    x = 20,837.40

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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.