Home / 18,000.49-27,000.66-4,854.19

Finding the Fourth Proportional to 18,000.49, 27,000.66 and 4,854.19

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Solution

The fourth proportional to 18,000.49, 27,000.66 and 4,854.19 is: 7,281.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,000.49 : 27,000.66 = 4,854.19 : x
  2. Step 2: Convert to fraction form
    18,000.49/27,000.66 = 4,854.19/x
  3. Step 3: Cross multiply
    18,000.49x = 27,000.66 × 4,854.19
  4. Step 4: Simplify right side
    18,000.49x = 131,066,333.77
  5. Step 5: Solve for x
    x = 131,066,333.77/18,000.49
  6. Step 6: Final answer
    x = 7,281.26

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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.