Home / 13,010.01-19,515.83-5,217.81

Finding the Fourth Proportional to 13,010.01, 19,515.83 and 5,217.81

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Solution

The fourth proportional to 13,010.01, 19,515.83 and 5,217.81 is: 7,827.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,010.01 : 19,515.83 = 5,217.81 : x
  2. Step 2: Convert to fraction form
    13,010.01/19,515.83 = 5,217.81/x
  3. Step 3: Cross multiply
    13,010.01x = 19,515.83 × 5,217.81
  4. Step 4: Simplify right side
    13,010.01x = 101,829,892.93
  5. Step 5: Solve for x
    x = 101,829,892.93/13,010.01
  6. Step 6: Final answer
    x = 7,827.04

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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.