Home / 19,856.10-29,735.55-9,455.70

Finding the Fourth Proportional to 19,856.10, 29,735.55 and 9,455.70

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Solution

The fourth proportional to 19,856.10, 29,735.55 and 9,455.70 is: 14,160.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,856.10 : 29,735.55 = 9,455.70 : x
  2. Step 2: Convert to fraction form
    19,856.10/29,735.55 = 9,455.70/x
  3. Step 3: Cross multiply
    19,856.10x = 29,735.55 × 9,455.70
  4. Step 4: Simplify right side
    19,856.10x = 281,170,440.14
  5. Step 5: Solve for x
    x = 281,170,440.14/19,856.10
  6. Step 6: Final answer
    x = 14,160.41

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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.