Home / 10,181.34-15,271.20-3,161.07

Finding the Fourth Proportional to 10,181.34, 15,271.20 and 3,161.07

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Solution

The fourth proportional to 10,181.34, 15,271.20 and 3,161.07 is: 4,741.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,181.34 : 15,271.20 = 3,161.07 : x
  2. Step 2: Convert to fraction form
    10,181.34/15,271.20 = 3,161.07/x
  3. Step 3: Cross multiply
    10,181.34x = 15,271.20 × 3,161.07
  4. Step 4: Simplify right side
    10,181.34x = 48,273,332.18
  5. Step 5: Solve for x
    x = 48,273,332.18/10,181.34
  6. Step 6: Final answer
    x = 4,741.35

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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.