Home / 19,460.32-29,143.67-11,115.02

Finding the Fourth Proportional to 19,460.32, 29,143.67 and 11,115.02

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Solution

The fourth proportional to 19,460.32, 29,143.67 and 11,115.02 is: 16,645.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,460.32 : 29,143.67 = 11,115.02 : x
  2. Step 2: Convert to fraction form
    19,460.32/29,143.67 = 11,115.02/x
  3. Step 3: Cross multiply
    19,460.32x = 29,143.67 × 11,115.02
  4. Step 4: Simplify right side
    19,460.32x = 323,932,492.21
  5. Step 5: Solve for x
    x = 323,932,492.21/19,460.32
  6. Step 6: Final answer
    x = 16,645.80

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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.