Home / 15,325.27-21,100.40-13,923.83

Finding the Fourth Proportional to 15,325.27, 21,100.40 and 13,923.83

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Solution

The fourth proportional to 15,325.27, 21,100.40 and 13,923.83 is: 19,170.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,325.27 : 21,100.40 = 13,923.83 : x
  2. Step 2: Convert to fraction form
    15,325.27/21,100.40 = 13,923.83/x
  3. Step 3: Cross multiply
    15,325.27x = 21,100.40 × 13,923.83
  4. Step 4: Simplify right side
    15,325.27x = 293,798,417.88
  5. Step 5: Solve for x
    x = 293,798,417.88/15,325.27
  6. Step 6: Final answer
    x = 19,170.85

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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.