Home / 15,490.08-23,198.94-11,319.66

Finding the Fourth Proportional to 15,490.08, 23,198.94 and 11,319.66

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Solution

The fourth proportional to 15,490.08, 23,198.94 and 11,319.66 is: 16,953.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,490.08 : 23,198.94 = 11,319.66 : x
  2. Step 2: Convert to fraction form
    15,490.08/23,198.94 = 11,319.66/x
  3. Step 3: Cross multiply
    15,490.08x = 23,198.94 × 11,319.66
  4. Step 4: Simplify right side
    15,490.08x = 262,604,113.16
  5. Step 5: Solve for x
    x = 262,604,113.16/15,490.08
  6. Step 6: Final answer
    x = 16,953.05

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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.