Home / 18,587.34-25,649.65-10,089.27

Finding the Fourth Proportional to 18,587.34, 25,649.65 and 10,089.27

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Solution

The fourth proportional to 18,587.34, 25,649.65 and 10,089.27 is: 13,922.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,587.34 : 25,649.65 = 10,089.27 : x
  2. Step 2: Convert to fraction form
    18,587.34/25,649.65 = 10,089.27/x
  3. Step 3: Cross multiply
    18,587.34x = 25,649.65 × 10,089.27
  4. Step 4: Simplify right side
    18,587.34x = 258,786,090.78
  5. Step 5: Solve for x
    x = 258,786,090.78/18,587.34
  6. Step 6: Final answer
    x = 13,922.71

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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.