Home / 14,719.34-20,320.20-11,354.60

Finding the Fourth Proportional to 14,719.34, 20,320.20 and 11,354.60

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Solution

The fourth proportional to 14,719.34, 20,320.20 and 11,354.60 is: 15,675.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,719.34 : 20,320.20 = 11,354.60 : x
  2. Step 2: Convert to fraction form
    14,719.34/20,320.20 = 11,354.60/x
  3. Step 3: Cross multiply
    14,719.34x = 20,320.20 × 11,354.60
  4. Step 4: Simplify right side
    14,719.34x = 230,727,742.92
  5. Step 5: Solve for x
    x = 230,727,742.92/14,719.34
  6. Step 6: Final answer
    x = 15,675.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.