Home / 19,814.24-29,722.98-8,127.56

Finding the Fourth Proportional to 19,814.24, 29,722.98 and 8,127.56

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Solution

The fourth proportional to 19,814.24, 29,722.98 and 8,127.56 is: 12,192.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,814.24 : 29,722.98 = 8,127.56 : x
  2. Step 2: Convert to fraction form
    19,814.24/29,722.98 = 8,127.56/x
  3. Step 3: Cross multiply
    19,814.24x = 29,722.98 × 8,127.56
  4. Step 4: Simplify right side
    19,814.24x = 241,575,303.33
  5. Step 5: Solve for x
    x = 241,575,303.33/19,814.24
  6. Step 6: Final answer
    x = 12,192.00

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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.