Home / 18,746.30-25,871.10-10,790.48

Finding the Fourth Proportional to 18,746.30, 25,871.10 and 10,790.48

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Solution

The fourth proportional to 18,746.30, 25,871.10 and 10,790.48 is: 14,891.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,746.30 : 25,871.10 = 10,790.48 : x
  2. Step 2: Convert to fraction form
    18,746.30/25,871.10 = 10,790.48/x
  3. Step 3: Cross multiply
    18,746.30x = 25,871.10 × 10,790.48
  4. Step 4: Simplify right side
    18,746.30x = 279,161,587.13
  5. Step 5: Solve for x
    x = 279,161,587.13/18,746.30
  6. Step 6: Final answer
    x = 14,891.56

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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.