Home / 22,020.96-30,381.48-12,582.84

Finding the Fourth Proportional to 22,020.96, 30,381.48 and 12,582.84

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Solution

The fourth proportional to 22,020.96, 30,381.48 and 12,582.84 is: 17,360.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,020.96 : 30,381.48 = 12,582.84 : x
  2. Step 2: Convert to fraction form
    22,020.96/30,381.48 = 12,582.84/x
  3. Step 3: Cross multiply
    22,020.96x = 30,381.48 × 12,582.84
  4. Step 4: Simplify right side
    22,020.96x = 382,285,301.80
  5. Step 5: Solve for x
    x = 382,285,301.80/22,020.96
  6. Step 6: Final answer
    x = 17,360.07

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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.