Home / 13,585.58-18,748.87-7,616.96

Finding the Fourth Proportional to 13,585.58, 18,748.87 and 7,616.96

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Solution

The fourth proportional to 13,585.58, 18,748.87 and 7,616.96 is: 10,511.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,585.58 : 18,748.87 = 7,616.96 : x
  2. Step 2: Convert to fraction form
    13,585.58/18,748.87 = 7,616.96/x
  3. Step 3: Cross multiply
    13,585.58x = 18,748.87 × 7,616.96
  4. Step 4: Simplify right side
    13,585.58x = 142,809,280.05
  5. Step 5: Solve for x
    x = 142,809,280.05/13,585.58
  6. Step 6: Final answer
    x = 10,511.83

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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.