Home / 18,860.04-28,290.06-5,713.74

Finding the Fourth Proportional to 18,860.04, 28,290.06 and 5,713.74

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Solution

The fourth proportional to 18,860.04, 28,290.06 and 5,713.74 is: 8,570.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,860.04 : 28,290.06 = 5,713.74 : x
  2. Step 2: Convert to fraction form
    18,860.04/28,290.06 = 5,713.74/x
  3. Step 3: Cross multiply
    18,860.04x = 28,290.06 × 5,713.74
  4. Step 4: Simplify right side
    18,860.04x = 161,642,047.42
  5. Step 5: Solve for x
    x = 161,642,047.42/18,860.04
  6. Step 6: Final answer
    x = 8,570.61

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Similar ratio
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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.