Home / 9,714.08-13,404.48-5,521.60

Finding the Fourth Proportional to 9,714.08, 13,404.48 and 5,521.60

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Solution

The fourth proportional to 9,714.08, 13,404.48 and 5,521.60 is: 7,619.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,714.08 : 13,404.48 = 5,521.60 : x
  2. Step 2: Convert to fraction form
    9,714.08/13,404.48 = 5,521.60/x
  3. Step 3: Cross multiply
    9,714.08x = 13,404.48 × 5,521.60
  4. Step 4: Simplify right side
    9,714.08x = 74,014,176.77
  5. Step 5: Solve for x
    x = 74,014,176.77/9,714.08
  6. Step 6: Final answer
    x = 7,619.27

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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.