Home / 15,161.63-22,714.73-10,991.29

Finding the Fourth Proportional to 15,161.63, 22,714.73 and 10,991.29

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Solution

The fourth proportional to 15,161.63, 22,714.73 and 10,991.29 is: 16,466.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,161.63 : 22,714.73 = 10,991.29 : x
  2. Step 2: Convert to fraction form
    15,161.63/22,714.73 = 10,991.29/x
  3. Step 3: Cross multiply
    15,161.63x = 22,714.73 × 10,991.29
  4. Step 4: Simplify right side
    15,161.63x = 249,664,184.70
  5. Step 5: Solve for x
    x = 249,664,184.70/15,161.63
  6. Step 6: Final answer
    x = 16,466.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.