Home / 19,665.12-29,497.68-5,810.88

Finding the Fourth Proportional to 19,665.12, 29,497.68 and 5,810.88

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Solution

The fourth proportional to 19,665.12, 29,497.68 and 5,810.88 is: 8,716.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,665.12 : 29,497.68 = 5,810.88 : x
  2. Step 2: Convert to fraction form
    19,665.12/29,497.68 = 5,810.88/x
  3. Step 3: Cross multiply
    19,665.12x = 29,497.68 × 5,810.88
  4. Step 4: Simplify right side
    19,665.12x = 171,407,478.76
  5. Step 5: Solve for x
    x = 171,407,478.76/19,665.12
  6. Step 6: Final answer
    x = 8,716.32

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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.