Home / 15,579.09-23,374.11-9,728.87

Finding the Fourth Proportional to 15,579.09, 23,374.11 and 9,728.87

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Solution

The fourth proportional to 15,579.09, 23,374.11 and 9,728.87 is: 14,596.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,579.09 : 23,374.11 = 9,728.87 : x
  2. Step 2: Convert to fraction form
    15,579.09/23,374.11 = 9,728.87/x
  3. Step 3: Cross multiply
    15,579.09x = 23,374.11 × 9,728.87
  4. Step 4: Simplify right side
    15,579.09x = 227,403,677.56
  5. Step 5: Solve for x
    x = 227,403,677.56/15,579.09
  6. Step 6: Final answer
    x = 14,596.72

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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.