Home / 25,146.80-37,697.88-12,650.48

Finding the Fourth Proportional to 25,146.80, 37,697.88 and 12,650.48

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Solution

The fourth proportional to 25,146.80, 37,697.88 and 12,650.48 is: 18,964.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,146.80 : 37,697.88 = 12,650.48 : x
  2. Step 2: Convert to fraction form
    25,146.80/37,697.88 = 12,650.48/x
  3. Step 3: Cross multiply
    25,146.80x = 37,697.88 × 12,650.48
  4. Step 4: Simplify right side
    25,146.80x = 476,896,276.98
  5. Step 5: Solve for x
    x = 476,896,276.98/25,146.80
  6. Step 6: Final answer
    x = 18,964.49

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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.