Home / 21,582.50-29,783.39-12,022.36

Finding the Fourth Proportional to 21,582.50, 29,783.39 and 12,022.36

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Solution

The fourth proportional to 21,582.50, 29,783.39 and 12,022.36 is: 16,590.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,582.50 : 29,783.39 = 12,022.36 : x
  2. Step 2: Convert to fraction form
    21,582.50/29,783.39 = 12,022.36/x
  3. Step 3: Cross multiply
    21,582.50x = 29,783.39 × 12,022.36
  4. Step 4: Simplify right side
    21,582.50x = 358,066,636.60
  5. Step 5: Solve for x
    x = 358,066,636.60/21,582.50
  6. Step 6: Final answer
    x = 16,590.60

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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.