Home / 12,901.96-19,325.60-9,747.21

Finding the Fourth Proportional to 12,901.96, 19,325.60 and 9,747.21

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Solution

The fourth proportional to 12,901.96, 19,325.60 and 9,747.21 is: 14,600.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,901.96 : 19,325.60 = 9,747.21 : x
  2. Step 2: Convert to fraction form
    12,901.96/19,325.60 = 9,747.21/x
  3. Step 3: Cross multiply
    12,901.96x = 19,325.60 × 9,747.21
  4. Step 4: Simplify right side
    12,901.96x = 188,370,778.42
  5. Step 5: Solve for x
    x = 188,370,778.42/12,901.96
  6. Step 6: Final answer
    x = 14,600.17

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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.