Home / 12,967.20-19,434.60-9,500.40

Finding the Fourth Proportional to 12,967.20, 19,434.60 and 9,500.40

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Solution

The fourth proportional to 12,967.20, 19,434.60 and 9,500.40 is: 14,238.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,967.20 : 19,434.60 = 9,500.40 : x
  2. Step 2: Convert to fraction form
    12,967.20/19,434.60 = 9,500.40/x
  3. Step 3: Cross multiply
    12,967.20x = 19,434.60 × 9,500.40
  4. Step 4: Simplify right side
    12,967.20x = 184,636,473.84
  5. Step 5: Solve for x
    x = 184,636,473.84/12,967.20
  6. Step 6: Final answer
    x = 14,238.73

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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.