Home / 19,391.20-29,063.29-8,846.78

Finding the Fourth Proportional to 19,391.20, 29,063.29 and 8,846.78

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Solution

The fourth proportional to 19,391.20, 29,063.29 and 8,846.78 is: 13,259.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,391.20 : 29,063.29 = 8,846.78 : x
  2. Step 2: Convert to fraction form
    19,391.20/29,063.29 = 8,846.78/x
  3. Step 3: Cross multiply
    19,391.20x = 29,063.29 × 8,846.78
  4. Step 4: Simplify right side
    19,391.20x = 257,116,343.16
  5. Step 5: Solve for x
    x = 257,116,343.16/19,391.20
  6. Step 6: Final answer
    x = 13,259.43

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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.