Home / 18,839.04-28,263.18-13,303.20

Finding the Fourth Proportional to 18,839.04, 28,263.18 and 13,303.20

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Solution

The fourth proportional to 18,839.04, 28,263.18 and 13,303.20 is: 19,958.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,839.04 : 28,263.18 = 13,303.20 : x
  2. Step 2: Convert to fraction form
    18,839.04/28,263.18 = 13,303.20/x
  3. Step 3: Cross multiply
    18,839.04x = 28,263.18 × 13,303.20
  4. Step 4: Simplify right side
    18,839.04x = 375,990,736.18
  5. Step 5: Solve for x
    x = 375,990,736.18/18,839.04
  6. Step 6: Final answer
    x = 19,958.06

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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.