Home / 12,637.29-18,957.93-4,204.09

Finding the Fourth Proportional to 12,637.29, 18,957.93 and 4,204.09

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Solution

The fourth proportional to 12,637.29, 18,957.93 and 4,204.09 is: 6,306.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,637.29 : 18,957.93 = 4,204.09 : x
  2. Step 2: Convert to fraction form
    12,637.29/18,957.93 = 4,204.09/x
  3. Step 3: Cross multiply
    12,637.29x = 18,957.93 × 4,204.09
  4. Step 4: Simplify right side
    12,637.29x = 79,700,843.93
  5. Step 5: Solve for x
    x = 79,700,843.93/12,637.29
  6. Step 6: Final answer
    x = 6,306.80

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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.