Home / 13,178.90-19,773.60-4,416.32

Finding the Fourth Proportional to 13,178.90, 19,773.60 and 4,416.32

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Solution

The fourth proportional to 13,178.90, 19,773.60 and 4,416.32 is: 6,626.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,178.90 : 19,773.60 = 4,416.32 : x
  2. Step 2: Convert to fraction form
    13,178.90/19,773.60 = 4,416.32/x
  3. Step 3: Cross multiply
    13,178.90x = 19,773.60 × 4,416.32
  4. Step 4: Simplify right side
    13,178.90x = 87,326,545.15
  5. Step 5: Solve for x
    x = 87,326,545.15/13,178.90
  6. Step 6: Final answer
    x = 6,626.24

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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.