Home / 19,003.77-28,513.85-10,236.93

Finding the Fourth Proportional to 19,003.77, 28,513.85 and 10,236.93

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Solution

The fourth proportional to 19,003.77, 28,513.85 and 10,236.93 is: 15,359.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,003.77 : 28,513.85 = 10,236.93 : x
  2. Step 2: Convert to fraction form
    19,003.77/28,513.85 = 10,236.93/x
  3. Step 3: Cross multiply
    19,003.77x = 28,513.85 × 10,236.93
  4. Step 4: Simplify right side
    19,003.77x = 291,894,286.48
  5. Step 5: Solve for x
    x = 291,894,286.48/19,003.77
  6. Step 6: Final answer
    x = 15,359.81

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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.