Home / 19,769.42-29,637.38-8,667.69

Finding the Fourth Proportional to 19,769.42, 29,637.38 and 8,667.69

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Solution

The fourth proportional to 19,769.42, 29,637.38 and 8,667.69 is: 12,994.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,769.42 : 29,637.38 = 8,667.69 : x
  2. Step 2: Convert to fraction form
    19,769.42/29,637.38 = 8,667.69/x
  3. Step 3: Cross multiply
    19,769.42x = 29,637.38 × 8,667.69
  4. Step 4: Simplify right side
    19,769.42x = 256,887,578.91
  5. Step 5: Solve for x
    x = 256,887,578.91/19,769.42
  6. Step 6: Final answer
    x = 12,994.19

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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.