Home / 20,023.88-29,983.98-13,803.08

Finding the Fourth Proportional to 20,023.88, 29,983.98 and 13,803.08

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Solution

The fourth proportional to 20,023.88, 29,983.98 and 13,803.08 is: 20,668.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023.88 : 29,983.98 = 13,803.08 : x
  2. Step 2: Convert to fraction form
    20,023.88/29,983.98 = 13,803.08/x
  3. Step 3: Cross multiply
    20,023.88x = 29,983.98 × 13,803.08
  4. Step 4: Simplify right side
    20,023.88x = 413,871,274.66
  5. Step 5: Solve for x
    x = 413,871,274.66/20,023.88
  6. Step 6: Final answer
    x = 20,668.89

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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.