Home / 13,607.51-20,405.72-4,244.38

Finding the Fourth Proportional to 13,607.51, 20,405.72 and 4,244.38

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Solution

The fourth proportional to 13,607.51, 20,405.72 and 4,244.38 is: 6,364.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,607.51 : 20,405.72 = 4,244.38 : x
  2. Step 2: Convert to fraction form
    13,607.51/20,405.72 = 4,244.38/x
  3. Step 3: Cross multiply
    13,607.51x = 20,405.72 × 4,244.38
  4. Step 4: Simplify right side
    13,607.51x = 86,609,589.45
  5. Step 5: Solve for x
    x = 86,609,589.45/13,607.51
  6. Step 6: Final answer
    x = 6,364.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.