Home / 12,946.18-19,402.98-5,541.88

Finding the Fourth Proportional to 12,946.18, 19,402.98 and 5,541.88

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Solution

The fourth proportional to 12,946.18, 19,402.98 and 5,541.88 is: 8,305.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,946.18 : 19,402.98 = 5,541.88 : x
  2. Step 2: Convert to fraction form
    12,946.18/19,402.98 = 5,541.88/x
  3. Step 3: Cross multiply
    12,946.18x = 19,402.98 × 5,541.88
  4. Step 4: Simplify right side
    12,946.18x = 107,528,986.80
  5. Step 5: Solve for x
    x = 107,528,986.80/12,946.18
  6. Step 6: Final answer
    x = 8,305.85

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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.