Home / 13,267.18-18,308.57-7,298.85

Finding the Fourth Proportional to 13,267.18, 18,308.57 and 7,298.85

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Solution

The fourth proportional to 13,267.18, 18,308.57 and 7,298.85 is: 10,072.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,267.18 : 18,308.57 = 7,298.85 : x
  2. Step 2: Convert to fraction form
    13,267.18/18,308.57 = 7,298.85/x
  3. Step 3: Cross multiply
    13,267.18x = 18,308.57 × 7,298.85
  4. Step 4: Simplify right side
    13,267.18x = 133,631,506.14
  5. Step 5: Solve for x
    x = 133,631,506.14/13,267.18
  6. Step 6: Final answer
    x = 10,072.34

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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.