Home / 18,378.23-27,564.04-4,869.49

Finding the Fourth Proportional to 18,378.23, 27,564.04 and 4,869.49

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Solution

The fourth proportional to 18,378.23, 27,564.04 and 4,869.49 is: 7,303.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,378.23 : 27,564.04 = 4,869.49 : x
  2. Step 2: Convert to fraction form
    18,378.23/27,564.04 = 4,869.49/x
  3. Step 3: Cross multiply
    18,378.23x = 27,564.04 × 4,869.49
  4. Step 4: Simplify right side
    18,378.23x = 134,222,817.14
  5. Step 5: Solve for x
    x = 134,222,817.14/18,378.23
  6. Step 6: Final answer
    x = 7,303.36

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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.