Home / 12,154.25-16,775.66-10,161.35

Finding the Fourth Proportional to 12,154.25, 16,775.66 and 10,161.35

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Solution

The fourth proportional to 12,154.25, 16,775.66 and 10,161.35 is: 14,024.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,154.25 : 16,775.66 = 10,161.35 : x
  2. Step 2: Convert to fraction form
    12,154.25/16,775.66 = 10,161.35/x
  3. Step 3: Cross multiply
    12,154.25x = 16,775.66 × 10,161.35
  4. Step 4: Simplify right side
    12,154.25x = 170,463,300.02
  5. Step 5: Solve for x
    x = 170,463,300.02/12,154.25
  6. Step 6: Final answer
    x = 14,024.99

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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.