Home / 13,135.13-19,700.23-4,250.65

Finding the Fourth Proportional to 13,135.13, 19,700.23 and 4,250.65

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Solution

The fourth proportional to 13,135.13, 19,700.23 and 4,250.65 is: 6,375.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,135.13 : 19,700.23 = 4,250.65 : x
  2. Step 2: Convert to fraction form
    13,135.13/19,700.23 = 4,250.65/x
  3. Step 3: Cross multiply
    13,135.13x = 19,700.23 × 4,250.65
  4. Step 4: Simplify right side
    13,135.13x = 83,738,782.65
  5. Step 5: Solve for x
    x = 83,738,782.65/13,135.13
  6. Step 6: Final answer
    x = 6,375.18

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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.