Home / 14,455.68-21,684.36-5,688.24

Finding the Fourth Proportional to 14,455.68, 21,684.36 and 5,688.24

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Solution

The fourth proportional to 14,455.68, 21,684.36 and 5,688.24 is: 8,532.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,455.68 : 21,684.36 = 5,688.24 : x
  2. Step 2: Convert to fraction form
    14,455.68/21,684.36 = 5,688.24/x
  3. Step 3: Cross multiply
    14,455.68x = 21,684.36 × 5,688.24
  4. Step 4: Simplify right side
    14,455.68x = 123,345,843.93
  5. Step 5: Solve for x
    x = 123,345,843.93/14,455.68
  6. Step 6: Final answer
    x = 8,532.69

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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.