Home / 13,250.40-19,875.60-8,066.40

Finding the Fourth Proportional to 13,250.40, 19,875.60 and 8,066.40

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Solution

The fourth proportional to 13,250.40, 19,875.60 and 8,066.40 is: 12,099.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250.40 : 19,875.60 = 8,066.40 : x
  2. Step 2: Convert to fraction form
    13,250.40/19,875.60 = 8,066.40/x
  3. Step 3: Cross multiply
    13,250.40x = 19,875.60 × 8,066.40
  4. Step 4: Simplify right side
    13,250.40x = 160,324,539.84
  5. Step 5: Solve for x
    x = 160,324,539.84/13,250.40
  6. Step 6: Final answer
    x = 12,099.60

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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.