Home / 18,239.72-25,170.06-10,283.58

Finding the Fourth Proportional to 18,239.72, 25,170.06 and 10,283.58

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Solution

The fourth proportional to 18,239.72, 25,170.06 and 10,283.58 is: 14,190.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,239.72 : 25,170.06 = 10,283.58 : x
  2. Step 2: Convert to fraction form
    18,239.72/25,170.06 = 10,283.58/x
  3. Step 3: Cross multiply
    18,239.72x = 25,170.06 × 10,283.58
  4. Step 4: Simplify right side
    18,239.72x = 258,838,325.61
  5. Step 5: Solve for x
    x = 258,838,325.61/18,239.72
  6. Step 6: Final answer
    x = 14,190.92

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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.