Home / 13,007.70-19,497.56-5,615.64

Finding the Fourth Proportional to 13,007.70, 19,497.56 and 5,615.64

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Solution

The fourth proportional to 13,007.70, 19,497.56 and 5,615.64 is: 8,417.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,007.70 : 19,497.56 = 5,615.64 : x
  2. Step 2: Convert to fraction form
    13,007.70/19,497.56 = 5,615.64/x
  3. Step 3: Cross multiply
    13,007.70x = 19,497.56 × 5,615.64
  4. Step 4: Simplify right side
    13,007.70x = 109,491,249.76
  5. Step 5: Solve for x
    x = 109,491,249.76/13,007.70
  6. Step 6: Final answer
    x = 8,417.42

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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.