Home / 9,714.12-13,403.88-5,521.56

Finding the Fourth Proportional to 9,714.12, 13,403.88 and 5,521.56

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Solution

The fourth proportional to 9,714.12, 13,403.88 and 5,521.56 is: 7,618.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,714.12 : 13,403.88 = 5,521.56 : x
  2. Step 2: Convert to fraction form
    9,714.12/13,403.88 = 5,521.56/x
  3. Step 3: Cross multiply
    9,714.12x = 13,403.88 × 5,521.56
  4. Step 4: Simplify right side
    9,714.12x = 74,010,327.65
  5. Step 5: Solve for x
    x = 74,010,327.65/9,714.12
  6. Step 6: Final answer
    x = 7,618.84

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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.