Home / 20,526.12-30,748.48-14,185.64

Finding the Fourth Proportional to 20,526.12, 30,748.48 and 14,185.64

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Solution

The fourth proportional to 20,526.12, 30,748.48 and 14,185.64 is: 21,250.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,526.12 : 30,748.48 = 14,185.64 : x
  2. Step 2: Convert to fraction form
    20,526.12/30,748.48 = 14,185.64/x
  3. Step 3: Cross multiply
    20,526.12x = 30,748.48 × 14,185.64
  4. Step 4: Simplify right side
    20,526.12x = 436,186,909.23
  5. Step 5: Solve for x
    x = 436,186,909.23/20,526.12
  6. Step 6: Final answer
    x = 21,250.33

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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.