Home / 14,549.89-20,061.23-11,320.65

Finding the Fourth Proportional to 14,549.89, 20,061.23 and 11,320.65

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Solution

The fourth proportional to 14,549.89, 20,061.23 and 11,320.65 is: 15,608.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,549.89 : 20,061.23 = 11,320.65 : x
  2. Step 2: Convert to fraction form
    14,549.89/20,061.23 = 11,320.65/x
  3. Step 3: Cross multiply
    14,549.89x = 20,061.23 × 11,320.65
  4. Step 4: Simplify right side
    14,549.89x = 227,106,163.40
  5. Step 5: Solve for x
    x = 227,106,163.40/14,549.89
  6. Step 6: Final answer
    x = 15,608.79

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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.