Home / 19,248.42-28,860.18-12,654.62

Finding the Fourth Proportional to 19,248.42, 28,860.18 and 12,654.62

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Solution

The fourth proportional to 19,248.42, 28,860.18 and 12,654.62 is: 18,973.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,248.42 : 28,860.18 = 12,654.62 : x
  2. Step 2: Convert to fraction form
    19,248.42/28,860.18 = 12,654.62/x
  3. Step 3: Cross multiply
    19,248.42x = 28,860.18 × 12,654.62
  4. Step 4: Simplify right side
    19,248.42x = 365,214,611.03
  5. Step 5: Solve for x
    x = 365,214,611.03/19,248.42
  6. Step 6: Final answer
    x = 18,973.74

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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.