Home / 19,686.20-27,165.94-10,733.72

Finding the Fourth Proportional to 19,686.20, 27,165.94 and 10,733.72

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Solution

The fourth proportional to 19,686.20, 27,165.94 and 10,733.72 is: 14,811.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,686.20 : 27,165.94 = 10,733.72 : x
  2. Step 2: Convert to fraction form
    19,686.20/27,165.94 = 10,733.72/x
  3. Step 3: Cross multiply
    19,686.20x = 27,165.94 × 10,733.72
  4. Step 4: Simplify right side
    19,686.20x = 291,591,430.83
  5. Step 5: Solve for x
    x = 291,591,430.83/19,686.20
  6. Step 6: Final answer
    x = 14,811.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.