Home / 13,483.67-20,225.50-4,721.09

Finding the Fourth Proportional to 13,483.67, 20,225.50 and 4,721.09

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Solution

The fourth proportional to 13,483.67, 20,225.50 and 4,721.09 is: 7,081.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,483.67 : 20,225.50 = 4,721.09 : x
  2. Step 2: Convert to fraction form
    13,483.67/20,225.50 = 4,721.09/x
  3. Step 3: Cross multiply
    13,483.67x = 20,225.50 × 4,721.09
  4. Step 4: Simplify right side
    13,483.67x = 95,486,292.86
  5. Step 5: Solve for x
    x = 95,486,292.86/13,483.67
  6. Step 6: Final answer
    x = 7,081.63

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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.