Home / 14,769.65-20,381.60-8,798.21

Finding the Fourth Proportional to 14,769.65, 20,381.60 and 8,798.21

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Solution

The fourth proportional to 14,769.65, 20,381.60 and 8,798.21 is: 12,141.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,769.65 : 20,381.60 = 8,798.21 : x
  2. Step 2: Convert to fraction form
    14,769.65/20,381.60 = 8,798.21/x
  3. Step 3: Cross multiply
    14,769.65x = 20,381.60 × 8,798.21
  4. Step 4: Simplify right side
    14,769.65x = 179,321,669.89
  5. Step 5: Solve for x
    x = 179,321,669.89/14,769.65
  6. Step 6: Final answer
    x = 12,141.23

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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.