Home / 10,997.64-16,465.32-9,959.76

Finding the Fourth Proportional to 10,997.64, 16,465.32 and 9,959.76

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Solution

The fourth proportional to 10,997.64, 16,465.32 and 9,959.76 is: 14,911.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,997.64 : 16,465.32 = 9,959.76 : x
  2. Step 2: Convert to fraction form
    10,997.64/16,465.32 = 9,959.76/x
  3. Step 3: Cross multiply
    10,997.64x = 16,465.32 × 9,959.76
  4. Step 4: Simplify right side
    10,997.64x = 163,990,635.52
  5. Step 5: Solve for x
    x = 163,990,635.52/10,997.64
  6. Step 6: Final answer
    x = 14,911.44

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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.