Home / 13,179.90-19,775.10-4,417.32

Finding the Fourth Proportional to 13,179.90, 19,775.10 and 4,417.32

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Solution

The fourth proportional to 13,179.90, 19,775.10 and 4,417.32 is: 6,627.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,179.90 : 19,775.10 = 4,417.32 : x
  2. Step 2: Convert to fraction form
    13,179.90/19,775.10 = 4,417.32/x
  3. Step 3: Cross multiply
    13,179.90x = 19,775.10 × 4,417.32
  4. Step 4: Simplify right side
    13,179.90x = 87,352,944.73
  5. Step 5: Solve for x
    x = 87,352,944.73/13,179.90
  6. Step 6: Final answer
    x = 6,627.74

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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.