Home / 19,484.15-29,178.38-12,443.37

Finding the Fourth Proportional to 19,484.15, 29,178.38 and 12,443.37

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Solution

The fourth proportional to 19,484.15, 29,178.38 and 12,443.37 is: 18,634.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,484.15 : 29,178.38 = 12,443.37 : x
  2. Step 2: Convert to fraction form
    19,484.15/29,178.38 = 12,443.37/x
  3. Step 3: Cross multiply
    19,484.15x = 29,178.38 × 12,443.37
  4. Step 4: Simplify right side
    19,484.15x = 363,077,394.16
  5. Step 5: Solve for x
    x = 363,077,394.16/19,484.15
  6. Step 6: Final answer
    x = 18,634.50

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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.