Home / 9,432.36-14,143.12-3,889.52

Finding the Fourth Proportional to 9,432.36, 14,143.12 and 3,889.52

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Solution

The fourth proportional to 9,432.36, 14,143.12 and 3,889.52 is: 5,832.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,432.36 : 14,143.12 = 3,889.52 : x
  2. Step 2: Convert to fraction form
    9,432.36/14,143.12 = 3,889.52/x
  3. Step 3: Cross multiply
    9,432.36x = 14,143.12 × 3,889.52
  4. Step 4: Simplify right side
    9,432.36x = 55,009,948.10
  5. Step 5: Solve for x
    x = 55,009,948.10/9,432.36
  6. Step 6: Final answer
    x = 5,832.05

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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.