Home / 19,458.40-29,184.72-6,311.92

Finding the Fourth Proportional to 19,458.40, 29,184.72 and 6,311.92

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Solution

The fourth proportional to 19,458.40, 29,184.72 and 6,311.92 is: 9,466.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,458.40 : 29,184.72 = 6,311.92 : x
  2. Step 2: Convert to fraction form
    19,458.40/29,184.72 = 6,311.92/x
  3. Step 3: Cross multiply
    19,458.40x = 29,184.72 × 6,311.92
  4. Step 4: Simplify right side
    19,458.40x = 184,211,617.86
  5. Step 5: Solve for x
    x = 184,211,617.86/19,458.40
  6. Step 6: Final answer
    x = 9,466.95

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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.