Home / 18,730.80-25,827.53-12,765.96

Finding the Fourth Proportional to 18,730.80, 25,827.53 and 12,765.96

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Solution

The fourth proportional to 18,730.80, 25,827.53 and 12,765.96 is: 17,602.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,730.80 : 25,827.53 = 12,765.96 : x
  2. Step 2: Convert to fraction form
    18,730.80/25,827.53 = 12,765.96/x
  3. Step 3: Cross multiply
    18,730.80x = 25,827.53 × 12,765.96
  4. Step 4: Simplify right side
    18,730.80x = 329,713,151.05
  5. Step 5: Solve for x
    x = 329,713,151.05/18,730.80
  6. Step 6: Final answer
    x = 17,602.73

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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.