Home / 19,237.32-28,855.82-10,921.16

Finding the Fourth Proportional to 19,237.32, 28,855.82 and 10,921.16

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Solution

The fourth proportional to 19,237.32, 28,855.82 and 10,921.16 is: 16,381.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,237.32 : 28,855.82 = 10,921.16 : x
  2. Step 2: Convert to fraction form
    19,237.32/28,855.82 = 10,921.16/x
  3. Step 3: Cross multiply
    19,237.32x = 28,855.82 × 10,921.16
  4. Step 4: Simplify right side
    19,237.32x = 315,139,027.15
  5. Step 5: Solve for x
    x = 315,139,027.15/19,237.32
  6. Step 6: Final answer
    x = 16,381.65

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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.