Home / 12,861.95-19,294.47-4,540.25

Finding the Fourth Proportional to 12,861.95, 19,294.47 and 4,540.25

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Solution

The fourth proportional to 12,861.95, 19,294.47 and 4,540.25 is: 6,810.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,861.95 : 19,294.47 = 4,540.25 : x
  2. Step 2: Convert to fraction form
    12,861.95/19,294.47 = 4,540.25/x
  3. Step 3: Cross multiply
    12,861.95x = 19,294.47 × 4,540.25
  4. Step 4: Simplify right side
    12,861.95x = 87,601,717.42
  5. Step 5: Solve for x
    x = 87,601,717.42/12,861.95
  6. Step 6: Final answer
    x = 6,810.92

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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.