Home / 11,812.32-16,308-10,500.24

Finding the Fourth Proportional to 11,812.32, 16,308 and 10,500.24

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Solution

The fourth proportional to 11,812.32, 16,308 and 10,500.24 is: 14,496.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,812.32 : 16,308 = 10,500.24 : x
  2. Step 2: Convert to fraction form
    11,812.32/16,308 = 10,500.24/x
  3. Step 3: Cross multiply
    11,812.32x = 16,308 × 10,500.24
  4. Step 4: Simplify right side
    11,812.32x = 171,237,913.92
  5. Step 5: Solve for x
    x = 171,237,913.92/11,812.32
  6. Step 6: Final answer
    x = 14,496.55

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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.