Home / 12,530.23-17,281.74-8,054.44

Finding the Fourth Proportional to 12,530.23, 17,281.74 and 8,054.44

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Solution

The fourth proportional to 12,530.23, 17,281.74 and 8,054.44 is: 11,108.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530.23 : 17,281.74 = 8,054.44 : x
  2. Step 2: Convert to fraction form
    12,530.23/17,281.74 = 8,054.44/x
  3. Step 3: Cross multiply
    12,530.23x = 17,281.74 × 8,054.44
  4. Step 4: Simplify right side
    12,530.23x = 139,194,737.93
  5. Step 5: Solve for x
    x = 139,194,737.93/12,530.23
  6. Step 6: Final answer
    x = 11,108.71

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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.