Home / 14,176.26-19,560.42-7,887.42

Finding the Fourth Proportional to 14,176.26, 19,560.42 and 7,887.42

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Solution

The fourth proportional to 14,176.26, 19,560.42 and 7,887.42 is: 10,883.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,176.26 : 19,560.42 = 7,887.42 : x
  2. Step 2: Convert to fraction form
    14,176.26/19,560.42 = 7,887.42/x
  3. Step 3: Cross multiply
    14,176.26x = 19,560.42 × 7,887.42
  4. Step 4: Simplify right side
    14,176.26x = 154,281,247.92
  5. Step 5: Solve for x
    x = 154,281,247.92/14,176.26
  6. Step 6: Final answer
    x = 10,883.07

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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.