Home / 13,247.54-18,271.01-8,714.87

Finding the Fourth Proportional to 13,247.54, 18,271.01 and 8,714.87

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Solution

The fourth proportional to 13,247.54, 18,271.01 and 8,714.87 is: 12,019.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,247.54 : 18,271.01 = 8,714.87 : x
  2. Step 2: Convert to fraction form
    13,247.54/18,271.01 = 8,714.87/x
  3. Step 3: Cross multiply
    13,247.54x = 18,271.01 × 8,714.87
  4. Step 4: Simplify right side
    13,247.54x = 159,229,544.38
  5. Step 5: Solve for x
    x = 159,229,544.38/13,247.54
  6. Step 6: Final answer
    x = 12,019.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.