Home / 13,441.88-18,544.68-9,913.52

Finding the Fourth Proportional to 13,441.88, 18,544.68 and 9,913.52

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Solution

The fourth proportional to 13,441.88, 18,544.68 and 9,913.52 is: 13,676.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,441.88 : 18,544.68 = 9,913.52 : x
  2. Step 2: Convert to fraction form
    13,441.88/18,544.68 = 9,913.52/x
  3. Step 3: Cross multiply
    13,441.88x = 18,544.68 × 9,913.52
  4. Step 4: Simplify right side
    13,441.88x = 183,843,056.07
  5. Step 5: Solve for x
    x = 183,843,056.07/13,441.88
  6. Step 6: Final answer
    x = 13,676.89

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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.