Home / 21,582.29-29,783.11-12,022.16

Finding the Fourth Proportional to 21,582.29, 29,783.11 and 12,022.16

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Solution

The fourth proportional to 21,582.29, 29,783.11 and 12,022.16 is: 16,590.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,582.29 : 29,783.11 = 12,022.16 : x
  2. Step 2: Convert to fraction form
    21,582.29/29,783.11 = 12,022.16/x
  3. Step 3: Cross multiply
    21,582.29x = 29,783.11 × 12,022.16
  4. Step 4: Simplify right side
    21,582.29x = 358,057,232.22
  5. Step 5: Solve for x
    x = 358,057,232.22/21,582.29
  6. Step 6: Final answer
    x = 16,590.33

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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.