Home / 18,267.34-25,208.94-12,681.58

Finding the Fourth Proportional to 18,267.34, 25,208.94 and 12,681.58

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Solution

The fourth proportional to 18,267.34, 25,208.94 and 12,681.58 is: 17,500.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,267.34 : 25,208.94 = 12,681.58 : x
  2. Step 2: Convert to fraction form
    18,267.34/25,208.94 = 12,681.58/x
  3. Step 3: Cross multiply
    18,267.34x = 25,208.94 × 12,681.58
  4. Step 4: Simplify right side
    18,267.34x = 319,689,189.33
  5. Step 5: Solve for x
    x = 319,689,189.33/18,267.34
  6. Step 6: Final answer
    x = 17,500.59

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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.