Home / 12,623.65-18,932.74-4,725.84

Finding the Fourth Proportional to 12,623.65, 18,932.74 and 4,725.84

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Solution

The fourth proportional to 12,623.65, 18,932.74 and 4,725.84 is: 7,087.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,623.65 : 18,932.74 = 4,725.84 : x
  2. Step 2: Convert to fraction form
    12,623.65/18,932.74 = 4,725.84/x
  3. Step 3: Cross multiply
    12,623.65x = 18,932.74 × 4,725.84
  4. Step 4: Simplify right side
    12,623.65x = 89,473,159.18
  5. Step 5: Solve for x
    x = 89,473,159.18/12,623.65
  6. Step 6: Final answer
    x = 7,087.74

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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.