Home / 9,216.03-12,714.51-5,181.93

Finding the Fourth Proportional to 9,216.03, 12,714.51 and 5,181.93

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Solution

The fourth proportional to 9,216.03, 12,714.51 and 5,181.93 is: 7,149.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,216.03 : 12,714.51 = 5,181.93 : x
  2. Step 2: Convert to fraction form
    9,216.03/12,714.51 = 5,181.93/x
  3. Step 3: Cross multiply
    9,216.03x = 12,714.51 × 5,181.93
  4. Step 4: Simplify right side
    9,216.03x = 65,885,700.80
  5. Step 5: Solve for x
    x = 65,885,700.80/9,216.03
  6. Step 6: Final answer
    x = 7,149.03

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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.