Home / 12,261.96-16,925.34-7,225.80

Finding the Fourth Proportional to 12,261.96, 16,925.34 and 7,225.80

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Solution

The fourth proportional to 12,261.96, 16,925.34 and 7,225.80 is: 9,973.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,261.96 : 16,925.34 = 7,225.80 : x
  2. Step 2: Convert to fraction form
    12,261.96/16,925.34 = 7,225.80/x
  3. Step 3: Cross multiply
    12,261.96x = 16,925.34 × 7,225.80
  4. Step 4: Simplify right side
    12,261.96x = 122,299,121.77
  5. Step 5: Solve for x
    x = 122,299,121.77/12,261.96
  6. Step 6: Final answer
    x = 9,973.86

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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.