Home / 34,288.16-51,431.64-10,914.32

Finding the Fourth Proportional to 34,288.16, 51,431.64 and 10,914.32

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Solution

The fourth proportional to 34,288.16, 51,431.64 and 10,914.32 is: 16,371.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,288.16 : 51,431.64 = 10,914.32 : x
  2. Step 2: Convert to fraction form
    34,288.16/51,431.64 = 10,914.32/x
  3. Step 3: Cross multiply
    34,288.16x = 51,431.64 × 10,914.32
  4. Step 4: Simplify right side
    34,288.16x = 561,341,377.08
  5. Step 5: Solve for x
    x = 561,341,377.08/34,288.16
  6. Step 6: Final answer
    x = 16,371.29

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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.