Home / 13,484.28-20,214-5,688.84

Finding the Fourth Proportional to 13,484.28, 20,214 and 5,688.84

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Solution

The fourth proportional to 13,484.28, 20,214 and 5,688.84 is: 8,528.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,484.28 : 20,214 = 5,688.84 : x
  2. Step 2: Convert to fraction form
    13,484.28/20,214 = 5,688.84/x
  3. Step 3: Cross multiply
    13,484.28x = 20,214 × 5,688.84
  4. Step 4: Simplify right side
    13,484.28x = 114,994,211.76
  5. Step 5: Solve for x
    x = 114,994,211.76/13,484.28
  6. Step 6: Final answer
    x = 8,528.02

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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.