Home / 13,614.16-20,412.28-6,580.28

Finding the Fourth Proportional to 13,614.16, 20,412.28 and 6,580.28

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Solution

The fourth proportional to 13,614.16, 20,412.28 and 6,580.28 is: 9,866.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614.16 : 20,412.28 = 6,580.28 : x
  2. Step 2: Convert to fraction form
    13,614.16/20,412.28 = 6,580.28/x
  3. Step 3: Cross multiply
    13,614.16x = 20,412.28 × 6,580.28
  4. Step 4: Simplify right side
    13,614.16x = 134,318,517.84
  5. Step 5: Solve for x
    x = 134,318,517.84/13,614.16
  6. Step 6: Final answer
    x = 9,866.09

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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.