Home / 13,257.02-19,885.54-6,231.88

Finding the Fourth Proportional to 13,257.02, 19,885.54 and 6,231.88

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Solution

The fourth proportional to 13,257.02, 19,885.54 and 6,231.88 is: 9,347.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,257.02 : 19,885.54 = 6,231.88 : x
  2. Step 2: Convert to fraction form
    13,257.02/19,885.54 = 6,231.88/x
  3. Step 3: Cross multiply
    13,257.02x = 19,885.54 × 6,231.88
  4. Step 4: Simplify right side
    13,257.02x = 123,924,299.02
  5. Step 5: Solve for x
    x = 123,924,299.02/13,257.02
  6. Step 6: Final answer
    x = 9,347.82

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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.