Home / 14,164.10-19,546.01-7,790.65

Finding the Fourth Proportional to 14,164.10, 19,546.01 and 7,790.65

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Solution

The fourth proportional to 14,164.10, 19,546.01 and 7,790.65 is: 10,750.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,164.10 : 19,546.01 = 7,790.65 : x
  2. Step 2: Convert to fraction form
    14,164.10/19,546.01 = 7,790.65/x
  3. Step 3: Cross multiply
    14,164.10x = 19,546.01 × 7,790.65
  4. Step 4: Simplify right side
    14,164.10x = 152,276,064.20
  5. Step 5: Solve for x
    x = 152,276,064.20/14,164.10
  6. Step 6: Final answer
    x = 10,750.85

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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.