Home / 10,080.21-13,908.65-5,887.65

Finding the Fourth Proportional to 10,080.21, 13,908.65 and 5,887.65

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Solution

The fourth proportional to 10,080.21, 13,908.65 and 5,887.65 is: 8,123.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080.21 : 13,908.65 = 5,887.65 : x
  2. Step 2: Convert to fraction form
    10,080.21/13,908.65 = 5,887.65/x
  3. Step 3: Cross multiply
    10,080.21x = 13,908.65 × 5,887.65
  4. Step 4: Simplify right side
    10,080.21x = 81,889,193.63
  5. Step 5: Solve for x
    x = 81,889,193.63/10,080.21
  6. Step 6: Final answer
    x = 8,123.76

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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.