Home / 10,197.95-15,292.76-3,175.60

Finding the Fourth Proportional to 10,197.95, 15,292.76 and 3,175.60

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Solution

The fourth proportional to 10,197.95, 15,292.76 and 3,175.60 is: 4,762.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,197.95 : 15,292.76 = 3,175.60 : x
  2. Step 2: Convert to fraction form
    10,197.95/15,292.76 = 3,175.60/x
  3. Step 3: Cross multiply
    10,197.95x = 15,292.76 × 3,175.60
  4. Step 4: Simplify right side
    10,197.95x = 48,563,658.36
  5. Step 5: Solve for x
    x = 48,563,658.36/10,197.95
  6. Step 6: Final answer
    x = 4,762.10

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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.