Home / 13,533.62-18,676.78-7,565.96

Finding the Fourth Proportional to 13,533.62, 18,676.78 and 7,565.96

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Solution

The fourth proportional to 13,533.62, 18,676.78 and 7,565.96 is: 10,441.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,533.62 : 18,676.78 = 7,565.96 : x
  2. Step 2: Convert to fraction form
    13,533.62/18,676.78 = 7,565.96/x
  3. Step 3: Cross multiply
    13,533.62x = 18,676.78 × 7,565.96
  4. Step 4: Simplify right side
    13,533.62x = 141,307,770.41
  5. Step 5: Solve for x
    x = 141,307,770.41/13,533.62
  6. Step 6: Final answer
    x = 10,441.24

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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.