Home / 13,214.10-19,790.71-7,653.64

Finding the Fourth Proportional to 13,214.10, 19,790.71 and 7,653.64

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Solution

The fourth proportional to 13,214.10, 19,790.71 and 7,653.64 is: 11,462.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,214.10 : 19,790.71 = 7,653.64 : x
  2. Step 2: Convert to fraction form
    13,214.10/19,790.71 = 7,653.64/x
  3. Step 3: Cross multiply
    13,214.10x = 19,790.71 × 7,653.64
  4. Step 4: Simplify right side
    13,214.10x = 151,470,969.68
  5. Step 5: Solve for x
    x = 151,470,969.68/13,214.10
  6. Step 6: Final answer
    x = 11,462.83

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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.