Home / 18,645.16-25,730.37-10,261.66

Finding the Fourth Proportional to 18,645.16, 25,730.37 and 10,261.66

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Solution

The fourth proportional to 18,645.16, 25,730.37 and 10,261.66 is: 14,161.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,645.16 : 25,730.37 = 10,261.66 : x
  2. Step 2: Convert to fraction form
    18,645.16/25,730.37 = 10,261.66/x
  3. Step 3: Cross multiply
    18,645.16x = 25,730.37 × 10,261.66
  4. Step 4: Simplify right side
    18,645.16x = 264,036,128.65
  5. Step 5: Solve for x
    x = 264,036,128.65/18,645.16
  6. Step 6: Final answer
    x = 14,161.11

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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.