Home / 18,077.46-27,157.82-12,825.51

Finding the Fourth Proportional to 18,077.46, 27,157.82 and 12,825.51

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Solution

The fourth proportional to 18,077.46, 27,157.82 and 12,825.51 is: 19,267.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,077.46 : 27,157.82 = 12,825.51 : x
  2. Step 2: Convert to fraction form
    18,077.46/27,157.82 = 12,825.51/x
  3. Step 3: Cross multiply
    18,077.46x = 27,157.82 × 12,825.51
  4. Step 4: Simplify right side
    18,077.46x = 348,312,827.86
  5. Step 5: Solve for x
    x = 348,312,827.86/18,077.46
  6. Step 6: Final answer
    x = 19,267.80

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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.