Home / 13,559.16-18,714.06-9,843.96

Finding the Fourth Proportional to 13,559.16, 18,714.06 and 9,843.96

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Solution

The fourth proportional to 13,559.16, 18,714.06 and 9,843.96 is: 13,586.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,559.16 : 18,714.06 = 9,843.96 : x
  2. Step 2: Convert to fraction form
    13,559.16/18,714.06 = 9,843.96/x
  3. Step 3: Cross multiply
    13,559.16x = 18,714.06 × 9,843.96
  4. Step 4: Simplify right side
    13,559.16x = 184,220,458.08
  5. Step 5: Solve for x
    x = 184,220,458.08/13,559.16
  6. Step 6: Final answer
    x = 13,586.42

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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.