Home / 12,353.28-18,535.52-5,239.48

Finding the Fourth Proportional to 12,353.28, 18,535.52 and 5,239.48

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Solution

The fourth proportional to 12,353.28, 18,535.52 and 5,239.48 is: 7,861.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,353.28 : 18,535.52 = 5,239.48 : x
  2. Step 2: Convert to fraction form
    12,353.28/18,535.52 = 5,239.48/x
  3. Step 3: Cross multiply
    12,353.28x = 18,535.52 × 5,239.48
  4. Step 4: Simplify right side
    12,353.28x = 97,116,486.33
  5. Step 5: Solve for x
    x = 97,116,486.33/12,353.28
  6. Step 6: Final answer
    x = 7,861.60

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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.