Home / 19,518.69-29,278.84-5,667.69

Finding the Fourth Proportional to 19,518.69, 29,278.84 and 5,667.69

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Solution

The fourth proportional to 19,518.69, 29,278.84 and 5,667.69 is: 8,501.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,518.69 : 29,278.84 = 5,667.69 : x
  2. Step 2: Convert to fraction form
    19,518.69/29,278.84 = 5,667.69/x
  3. Step 3: Cross multiply
    19,518.69x = 29,278.84 × 5,667.69
  4. Step 4: Simplify right side
    19,518.69x = 165,943,388.68
  5. Step 5: Solve for x
    x = 165,943,388.68/19,518.69
  6. Step 6: Final answer
    x = 8,501.77

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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.