Home / 14,227.65-21,345.12-5,460.21

Finding the Fourth Proportional to 14,227.65, 21,345.12 and 5,460.21

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Solution

The fourth proportional to 14,227.65, 21,345.12 and 5,460.21 is: 8,191.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,227.65 : 21,345.12 = 5,460.21 : x
  2. Step 2: Convert to fraction form
    14,227.65/21,345.12 = 5,460.21/x
  3. Step 3: Cross multiply
    14,227.65x = 21,345.12 × 5,460.21
  4. Step 4: Simplify right side
    14,227.65x = 116,548,837.68
  5. Step 5: Solve for x
    x = 116,548,837.68/14,227.65
  6. Step 6: Final answer
    x = 8,191.71

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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.