Home / 12,030.88-18,046.32-7,925.92

Finding the Fourth Proportional to 12,030.88, 18,046.32 and 7,925.92

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Solution

The fourth proportional to 12,030.88, 18,046.32 and 7,925.92 is: 11,888.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,030.88 : 18,046.32 = 7,925.92 : x
  2. Step 2: Convert to fraction form
    12,030.88/18,046.32 = 7,925.92/x
  3. Step 3: Cross multiply
    12,030.88x = 18,046.32 × 7,925.92
  4. Step 4: Simplify right side
    12,030.88x = 143,033,688.61
  5. Step 5: Solve for x
    x = 143,033,688.61/12,030.88
  6. Step 6: Final answer
    x = 11,888.88

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Similar ratio
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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.