Home / 20,019.04-29,995.76-13,343.20

Finding the Fourth Proportional to 20,019.04, 29,995.76 and 13,343.20

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Solution

The fourth proportional to 20,019.04, 29,995.76 and 13,343.20 is: 19,992.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,019.04 : 29,995.76 = 13,343.20 : x
  2. Step 2: Convert to fraction form
    20,019.04/29,995.76 = 13,343.20/x
  3. Step 3: Cross multiply
    20,019.04x = 29,995.76 × 13,343.20
  4. Step 4: Simplify right side
    20,019.04x = 400,239,424.83
  5. Step 5: Solve for x
    x = 400,239,424.83/20,019.04
  6. Step 6: Final answer
    x = 19,992.94

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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.