Home / 20,179.36-30,252.03-9,643.42

Finding the Fourth Proportional to 20,179.36, 30,252.03 and 9,643.42

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Solution

The fourth proportional to 20,179.36, 30,252.03 and 9,643.42 is: 14,457.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,179.36 : 30,252.03 = 9,643.42 : x
  2. Step 2: Convert to fraction form
    20,179.36/30,252.03 = 9,643.42/x
  3. Step 3: Cross multiply
    20,179.36x = 30,252.03 × 9,643.42
  4. Step 4: Simplify right side
    20,179.36x = 291,733,031.14
  5. Step 5: Solve for x
    x = 291,733,031.14/20,179.36
  6. Step 6: Final answer
    x = 14,457.00

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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.