Home / 22,161.65-30,582.46-12,090.08

Finding the Fourth Proportional to 22,161.65, 30,582.46 and 12,090.08

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Solution

The fourth proportional to 22,161.65, 30,582.46 and 12,090.08 is: 16,683.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,161.65 : 30,582.46 = 12,090.08 : x
  2. Step 2: Convert to fraction form
    22,161.65/30,582.46 = 12,090.08/x
  3. Step 3: Cross multiply
    22,161.65x = 30,582.46 × 12,090.08
  4. Step 4: Simplify right side
    22,161.65x = 369,744,536.04
  5. Step 5: Solve for x
    x = 369,744,536.04/22,161.65
  6. Step 6: Final answer
    x = 16,683.98

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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.