Home / 13,007.61-19,514.31-5,110.89

Finding the Fourth Proportional to 13,007.61, 19,514.31 and 5,110.89

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Solution

The fourth proportional to 13,007.61, 19,514.31 and 5,110.89 is: 7,667.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,007.61 : 19,514.31 = 5,110.89 : x
  2. Step 2: Convert to fraction form
    13,007.61/19,514.31 = 5,110.89/x
  3. Step 3: Cross multiply
    13,007.61x = 19,514.31 × 5,110.89
  4. Step 4: Simplify right side
    13,007.61x = 99,735,491.84
  5. Step 5: Solve for x
    x = 99,735,491.84/13,007.61
  6. Step 6: Final answer
    x = 7,667.47

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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.