Home / 18,246.04-27,379.87-7,715.49

Finding the Fourth Proportional to 18,246.04, 27,379.87 and 7,715.49

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Solution

The fourth proportional to 18,246.04, 27,379.87 and 7,715.49 is: 11,577.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,246.04 : 27,379.87 = 7,715.49 : x
  2. Step 2: Convert to fraction form
    18,246.04/27,379.87 = 7,715.49/x
  3. Step 3: Cross multiply
    18,246.04x = 27,379.87 × 7,715.49
  4. Step 4: Simplify right side
    18,246.04x = 211,249,113.19
  5. Step 5: Solve for x
    x = 211,249,113.19/18,246.04
  6. Step 6: Final answer
    x = 11,577.81

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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.