Home / 19,144.12-28,690.08-9,263.68

Finding the Fourth Proportional to 19,144.12, 28,690.08 and 9,263.68

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Solution

The fourth proportional to 19,144.12, 28,690.08 and 9,263.68 is: 13,882.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,144.12 : 28,690.08 = 9,263.68 : x
  2. Step 2: Convert to fraction form
    19,144.12/28,690.08 = 9,263.68/x
  3. Step 3: Cross multiply
    19,144.12x = 28,690.08 × 9,263.68
  4. Step 4: Simplify right side
    19,144.12x = 265,775,720.29
  5. Step 5: Solve for x
    x = 265,775,720.29/19,144.12
  6. Step 6: Final answer
    x = 13,882.89

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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.