Home / 10,985.36-16,461.84-10,080.32

Finding the Fourth Proportional to 10,985.36, 16,461.84 and 10,080.32

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Solution

The fourth proportional to 10,985.36, 16,461.84 and 10,080.32 is: 15,105.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,985.36 : 16,461.84 = 10,080.32 : x
  2. Step 2: Convert to fraction form
    10,985.36/16,461.84 = 10,080.32/x
  3. Step 3: Cross multiply
    10,985.36x = 16,461.84 × 10,080.32
  4. Step 4: Simplify right side
    10,985.36x = 165,940,614.99
  5. Step 5: Solve for x
    x = 165,940,614.99/10,985.36
  6. Step 6: Final answer
    x = 15,105.61

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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.