Home / 19,132.68-26,412.08-12,769.84

Finding the Fourth Proportional to 19,132.68, 26,412.08 and 12,769.84

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Solution

The fourth proportional to 19,132.68, 26,412.08 and 12,769.84 is: 17,628.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,132.68 : 26,412.08 = 12,769.84 : x
  2. Step 2: Convert to fraction form
    19,132.68/26,412.08 = 12,769.84/x
  3. Step 3: Cross multiply
    19,132.68x = 26,412.08 × 12,769.84
  4. Step 4: Simplify right side
    19,132.68x = 337,278,035.67
  5. Step 5: Solve for x
    x = 337,278,035.67/19,132.68
  6. Step 6: Final answer
    x = 17,628.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.