Home / 19,515.83-29,274.79-6,189.88

Finding the Fourth Proportional to 19,515.83, 29,274.79 and 6,189.88

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Solution

The fourth proportional to 19,515.83, 29,274.79 and 6,189.88 is: 9,285.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,515.83 : 29,274.79 = 6,189.88 : x
  2. Step 2: Convert to fraction form
    19,515.83/29,274.79 = 6,189.88/x
  3. Step 3: Cross multiply
    19,515.83x = 29,274.79 × 6,189.88
  4. Step 4: Simplify right side
    19,515.83x = 181,207,437.13
  5. Step 5: Solve for x
    x = 181,207,437.13/19,515.83
  6. Step 6: Final answer
    x = 9,285.15

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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.