Home / 19,771.65-29,652.84-5,727.92

Finding the Fourth Proportional to 19,771.65, 29,652.84 and 5,727.92

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Solution

The fourth proportional to 19,771.65, 29,652.84 and 5,727.92 is: 8,590.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,771.65 : 29,652.84 = 5,727.92 : x
  2. Step 2: Convert to fraction form
    19,771.65/29,652.84 = 5,727.92/x
  3. Step 3: Cross multiply
    19,771.65x = 29,652.84 × 5,727.92
  4. Step 4: Simplify right side
    19,771.65x = 169,848,947.03
  5. Step 5: Solve for x
    x = 169,848,947.03/19,771.65
  6. Step 6: Final answer
    x = 8,590.53

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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.