Home / 13,021.29-19,526.13-4,134.06

Finding the Fourth Proportional to 13,021.29, 19,526.13 and 4,134.06

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Solution

The fourth proportional to 13,021.29, 19,526.13 and 4,134.06 is: 6,199.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,021.29 : 19,526.13 = 4,134.06 : x
  2. Step 2: Convert to fraction form
    13,021.29/19,526.13 = 4,134.06/x
  3. Step 3: Cross multiply
    13,021.29x = 19,526.13 × 4,134.06
  4. Step 4: Simplify right side
    13,021.29x = 80,722,192.99
  5. Step 5: Solve for x
    x = 80,722,192.99/13,021.29
  6. Step 6: Final answer
    x = 6,199.25

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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.