Home / 12,161.59-18,242.43-9,392.29

Finding the Fourth Proportional to 12,161.59, 18,242.43 and 9,392.29

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Solution

The fourth proportional to 12,161.59, 18,242.43 and 9,392.29 is: 14,088.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,161.59 : 18,242.43 = 9,392.29 : x
  2. Step 2: Convert to fraction form
    12,161.59/18,242.43 = 9,392.29/x
  3. Step 3: Cross multiply
    12,161.59x = 18,242.43 × 9,392.29
  4. Step 4: Simplify right side
    12,161.59x = 171,338,192.86
  5. Step 5: Solve for x
    x = 171,338,192.86/12,161.59
  6. Step 6: Final answer
    x = 14,088.47

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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.