Home / 17,038.76-25,521.21-8,255.25

Finding the Fourth Proportional to 17,038.76, 25,521.21 and 8,255.25

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Solution

The fourth proportional to 17,038.76, 25,521.21 and 8,255.25 is: 12,364.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,038.76 : 25,521.21 = 8,255.25 : x
  2. Step 2: Convert to fraction form
    17,038.76/25,521.21 = 8,255.25/x
  3. Step 3: Cross multiply
    17,038.76x = 25,521.21 × 8,255.25
  4. Step 4: Simplify right side
    17,038.76x = 210,683,968.85
  5. Step 5: Solve for x
    x = 210,683,968.85/17,038.76
  6. Step 6: Final answer
    x = 12,364.99

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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.