Home / 21,250.08-31,868.64-10,150.92

Finding the Fourth Proportional to 21,250.08, 31,868.64 and 10,150.92

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Solution

The fourth proportional to 21,250.08, 31,868.64 and 10,150.92 is: 15,223.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,250.08 : 31,868.64 = 10,150.92 : x
  2. Step 2: Convert to fraction form
    21,250.08/31,868.64 = 10,150.92/x
  3. Step 3: Cross multiply
    21,250.08x = 31,868.64 × 10,150.92
  4. Step 4: Simplify right side
    21,250.08x = 323,496,015.15
  5. Step 5: Solve for x
    x = 323,496,015.15/21,250.08
  6. Step 6: Final answer
    x = 15,223.28

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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.