Home / 13,821.04-20,734.51-4,461.59

Finding the Fourth Proportional to 13,821.04, 20,734.51 and 4,461.59

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Solution

The fourth proportional to 13,821.04, 20,734.51 and 4,461.59 is: 6,693.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,821.04 : 20,734.51 = 4,461.59 : x
  2. Step 2: Convert to fraction form
    13,821.04/20,734.51 = 4,461.59/x
  3. Step 3: Cross multiply
    13,821.04x = 20,734.51 × 4,461.59
  4. Step 4: Simplify right side
    13,821.04x = 92,508,882.47
  5. Step 5: Solve for x
    x = 92,508,882.47/13,821.04
  6. Step 6: Final answer
    x = 6,693.34

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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.