Home / 18,587.43-25,643.36-10,625.39

Finding the Fourth Proportional to 18,587.43, 25,643.36 and 10,625.39

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Solution

The fourth proportional to 18,587.43, 25,643.36 and 10,625.39 is: 14,658.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,587.43 : 25,643.36 = 10,625.39 : x
  2. Step 2: Convert to fraction form
    18,587.43/25,643.36 = 10,625.39/x
  3. Step 3: Cross multiply
    18,587.43x = 25,643.36 × 10,625.39
  4. Step 4: Simplify right side
    18,587.43x = 272,470,519.57
  5. Step 5: Solve for x
    x = 272,470,519.57/18,587.43
  6. Step 6: Final answer
    x = 14,658.86

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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.