Home / 13,663.86-20,498.50-4,306.22

Finding the Fourth Proportional to 13,663.86, 20,498.50 and 4,306.22

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Solution

The fourth proportional to 13,663.86, 20,498.50 and 4,306.22 is: 6,460.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,663.86 : 20,498.50 = 4,306.22 : x
  2. Step 2: Convert to fraction form
    13,663.86/20,498.50 = 4,306.22/x
  3. Step 3: Cross multiply
    13,663.86x = 20,498.50 × 4,306.22
  4. Step 4: Simplify right side
    13,663.86x = 88,271,050.67
  5. Step 5: Solve for x
    x = 88,271,050.67/13,663.86
  6. Step 6: Final answer
    x = 6,460.18

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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.