Home / 13,234.40-19,851.60-9,087.20

Finding the Fourth Proportional to 13,234.40, 19,851.60 and 9,087.20

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Solution

The fourth proportional to 13,234.40, 19,851.60 and 9,087.20 is: 13,630.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,234.40 : 19,851.60 = 9,087.20 : x
  2. Step 2: Convert to fraction form
    13,234.40/19,851.60 = 9,087.20/x
  3. Step 3: Cross multiply
    13,234.40x = 19,851.60 × 9,087.20
  4. Step 4: Simplify right side
    13,234.40x = 180,395,459.52
  5. Step 5: Solve for x
    x = 180,395,459.52/13,234.40
  6. Step 6: Final answer
    x = 13,630.80

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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.