Home / 15,326.99-23,006.57-13,583.15

Finding the Fourth Proportional to 15,326.99, 23,006.57 and 13,583.15

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Solution

The fourth proportional to 15,326.99, 23,006.57 and 13,583.15 is: 20,388.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,326.99 : 23,006.57 = 13,583.15 : x
  2. Step 2: Convert to fraction form
    15,326.99/23,006.57 = 13,583.15/x
  3. Step 3: Cross multiply
    15,326.99x = 23,006.57 × 13,583.15
  4. Step 4: Simplify right side
    15,326.99x = 312,501,508.35
  5. Step 5: Solve for x
    x = 312,501,508.35/15,326.99
  6. Step 6: Final answer
    x = 20,388.97

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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.