Home / 13,266.99-18,308.30-7,298.66

Finding the Fourth Proportional to 13,266.99, 18,308.30 and 7,298.66

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Solution

The fourth proportional to 13,266.99, 18,308.30 and 7,298.66 is: 10,072.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,266.99 : 18,308.30 = 7,298.66 : x
  2. Step 2: Convert to fraction form
    13,266.99/18,308.30 = 7,298.66/x
  3. Step 3: Cross multiply
    13,266.99x = 18,308.30 × 7,298.66
  4. Step 4: Simplify right side
    13,266.99x = 133,626,120.90
  5. Step 5: Solve for x
    x = 133,626,120.90/13,266.99
  6. Step 6: Final answer
    x = 10,072.08

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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.