Home / 12,353.23-18,531.65-4,031.20

Finding the Fourth Proportional to 12,353.23, 18,531.65 and 4,031.20

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Solution

The fourth proportional to 12,353.23, 18,531.65 and 4,031.20 is: 6,047.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,353.23 : 18,531.65 = 4,031.20 : x
  2. Step 2: Convert to fraction form
    12,353.23/18,531.65 = 4,031.20/x
  3. Step 3: Cross multiply
    12,353.23x = 18,531.65 × 4,031.20
  4. Step 4: Simplify right side
    12,353.23x = 74,704,798.05
  5. Step 5: Solve for x
    x = 74,704,798.05/12,353.23
  6. Step 6: Final answer
    x = 6,047.39

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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.