Home / 14,442.22-19,919.60-9,131.91

Finding the Fourth Proportional to 14,442.22, 19,919.60 and 9,131.91

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Solution

The fourth proportional to 14,442.22, 19,919.60 and 9,131.91 is: 12,595.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,442.22 : 19,919.60 = 9,131.91 : x
  2. Step 2: Convert to fraction form
    14,442.22/19,919.60 = 9,131.91/x
  3. Step 3: Cross multiply
    14,442.22x = 19,919.60 × 9,131.91
  4. Step 4: Simplify right side
    14,442.22x = 181,903,882.64
  5. Step 5: Solve for x
    x = 181,903,882.64/14,442.22
  6. Step 6: Final answer
    x = 12,595.29

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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.