Home / 19,734.76-27,234.10-10,782.12

Finding the Fourth Proportional to 19,734.76, 27,234.10 and 10,782.12

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Solution

The fourth proportional to 19,734.76, 27,234.10 and 10,782.12 is: 14,879.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,734.76 : 27,234.10 = 10,782.12 : x
  2. Step 2: Convert to fraction form
    19,734.76/27,234.10 = 10,782.12/x
  3. Step 3: Cross multiply
    19,734.76x = 27,234.10 × 10,782.12
  4. Step 4: Simplify right side
    19,734.76x = 293,641,334.29
  5. Step 5: Solve for x
    x = 293,641,334.29/19,734.76
  6. Step 6: Final answer
    x = 14,879.40

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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.