Home / 17,312.36-25,968.58-9,911.72

Finding the Fourth Proportional to 17,312.36, 25,968.58 and 9,911.72

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Solution

The fourth proportional to 17,312.36, 25,968.58 and 9,911.72 is: 14,867.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,312.36 : 25,968.58 = 9,911.72 : x
  2. Step 2: Convert to fraction form
    17,312.36/25,968.58 = 9,911.72/x
  3. Step 3: Cross multiply
    17,312.36x = 25,968.58 × 9,911.72
  4. Step 4: Simplify right side
    17,312.36x = 257,393,333.90
  5. Step 5: Solve for x
    x = 257,393,333.90/17,312.36
  6. Step 6: Final answer
    x = 14,867.61

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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.