Home / 25,307.53-37,961.64-12,156.87

Finding the Fourth Proportional to 25,307.53, 37,961.64 and 12,156.87

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Solution

The fourth proportional to 25,307.53, 37,961.64 and 12,156.87 is: 18,235.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,307.53 : 37,961.64 = 12,156.87 : x
  2. Step 2: Convert to fraction form
    25,307.53/37,961.64 = 12,156.87/x
  3. Step 3: Cross multiply
    25,307.53x = 37,961.64 × 12,156.87
  4. Step 4: Simplify right side
    25,307.53x = 461,494,722.47
  5. Step 5: Solve for x
    x = 461,494,722.47/25,307.53
  6. Step 6: Final answer
    x = 18,235.47

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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.