Home / 15,623.59-23,436.89-4,378.94

Finding the Fourth Proportional to 15,623.59, 23,436.89 and 4,378.94

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Solution

The fourth proportional to 15,623.59, 23,436.89 and 4,378.94 is: 6,568.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,623.59 : 23,436.89 = 4,378.94 : x
  2. Step 2: Convert to fraction form
    15,623.59/23,436.89 = 4,378.94/x
  3. Step 3: Cross multiply
    15,623.59x = 23,436.89 × 4,378.94
  4. Step 4: Simplify right side
    15,623.59x = 102,628,596.02
  5. Step 5: Solve for x
    x = 102,628,596.02/15,623.59
  6. Step 6: Final answer
    x = 6,568.82

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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.