Home / 15,639.36-23,459.76-8,708.64

Finding the Fourth Proportional to 15,639.36, 23,459.76 and 8,708.64

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Solution

The fourth proportional to 15,639.36, 23,459.76 and 8,708.64 is: 13,063.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,639.36 : 23,459.76 = 8,708.64 : x
  2. Step 2: Convert to fraction form
    15,639.36/23,459.76 = 8,708.64/x
  3. Step 3: Cross multiply
    15,639.36x = 23,459.76 × 8,708.64
  4. Step 4: Simplify right side
    15,639.36x = 204,302,604.33
  5. Step 5: Solve for x
    x = 204,302,604.33/15,639.36
  6. Step 6: Final answer
    x = 13,063.36

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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.