Home / 25,466.45-38,207.50-12,156.43

Finding the Fourth Proportional to 25,466.45, 38,207.50 and 12,156.43

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Solution

The fourth proportional to 25,466.45, 38,207.50 and 12,156.43 is: 18,238.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,466.45 : 38,207.50 = 12,156.43 : x
  2. Step 2: Convert to fraction form
    25,466.45/38,207.50 = 12,156.43/x
  3. Step 3: Cross multiply
    25,466.45x = 38,207.50 × 12,156.43
  4. Step 4: Simplify right side
    25,466.45x = 464,466,862.18
  5. Step 5: Solve for x
    x = 464,466,862.18/25,466.45
  6. Step 6: Final answer
    x = 18,238.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.