Home / 13,010.10-19,520.55-9,335.94

Finding the Fourth Proportional to 13,010.10, 19,520.55 and 9,335.94

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Solution

The fourth proportional to 13,010.10, 19,520.55 and 9,335.94 is: 14,007.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,010.10 : 19,520.55 = 9,335.94 : x
  2. Step 2: Convert to fraction form
    13,010.10/19,520.55 = 9,335.94/x
  3. Step 3: Cross multiply
    13,010.10x = 19,520.55 × 9,335.94
  4. Step 4: Simplify right side
    13,010.10x = 182,242,683.57
  5. Step 5: Solve for x
    x = 182,242,683.57/13,010.10
  6. Step 6: Final answer
    x = 14,007.78

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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.