Home / 12,539.18-18,811.88-8,848.62

Finding the Fourth Proportional to 12,539.18, 18,811.88 and 8,848.62

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Solution

The fourth proportional to 12,539.18, 18,811.88 and 8,848.62 is: 13,275.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,539.18 : 18,811.88 = 8,848.62 : x
  2. Step 2: Convert to fraction form
    12,539.18/18,811.88 = 8,848.62/x
  3. Step 3: Cross multiply
    12,539.18x = 18,811.88 × 8,848.62
  4. Step 4: Simplify right side
    12,539.18x = 166,459,177.61
  5. Step 5: Solve for x
    x = 166,459,177.61/12,539.18
  6. Step 6: Final answer
    x = 13,275.12

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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.