Home / 19,996.08-30,013.54-9,615.12

Finding the Fourth Proportional to 19,996.08, 30,013.54 and 9,615.12

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Solution

The fourth proportional to 19,996.08, 30,013.54 and 9,615.12 is: 14,432.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,996.08 : 30,013.54 = 9,615.12 : x
  2. Step 2: Convert to fraction form
    19,996.08/30,013.54 = 9,615.12/x
  3. Step 3: Cross multiply
    19,996.08x = 30,013.54 × 9,615.12
  4. Step 4: Simplify right side
    19,996.08x = 288,583,788.72
  5. Step 5: Solve for x
    x = 288,583,788.72/19,996.08
  6. Step 6: Final answer
    x = 14,432.02

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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.