Home / 13,533.33-20,312.45-6,874.53

Finding the Fourth Proportional to 13,533.33, 20,312.45 and 6,874.53

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Solution

The fourth proportional to 13,533.33, 20,312.45 and 6,874.53 is: 10,318.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,533.33 : 20,312.45 = 6,874.53 : x
  2. Step 2: Convert to fraction form
    13,533.33/20,312.45 = 6,874.53/x
  3. Step 3: Cross multiply
    13,533.33x = 20,312.45 × 6,874.53
  4. Step 4: Simplify right side
    13,533.33x = 139,638,546.90
  5. Step 5: Solve for x
    x = 139,638,546.90/13,533.33
  6. Step 6: Final answer
    x = 10,318.12

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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.