Home / 13,358.40-20,035.52-5,460.62

Finding the Fourth Proportional to 13,358.40, 20,035.52 and 5,460.62

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Solution

The fourth proportional to 13,358.40, 20,035.52 and 5,460.62 is: 8,190.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,358.40 : 20,035.52 = 5,460.62 : x
  2. Step 2: Convert to fraction form
    13,358.40/20,035.52 = 5,460.62/x
  3. Step 3: Cross multiply
    13,358.40x = 20,035.52 × 5,460.62
  4. Step 4: Simplify right side
    13,358.40x = 109,406,361.22
  5. Step 5: Solve for x
    x = 109,406,361.22/13,358.40
  6. Step 6: Final answer
    x = 8,190.08

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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.