Home / 10,271.75-15,407.63-4,115.75

Finding the Fourth Proportional to 10,271.75, 15,407.63 and 4,115.75

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Solution

The fourth proportional to 10,271.75, 15,407.63 and 4,115.75 is: 6,173.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,271.75 : 15,407.63 = 4,115.75 : x
  2. Step 2: Convert to fraction form
    10,271.75/15,407.63 = 4,115.75/x
  3. Step 3: Cross multiply
    10,271.75x = 15,407.63 × 4,115.75
  4. Step 4: Simplify right side
    10,271.75x = 63,413,953.17
  5. Step 5: Solve for x
    x = 63,413,953.17/10,271.75
  6. Step 6: Final answer
    x = 6,173.63

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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.