Home / 12,288.33-16,957.95-6,983.43

Finding the Fourth Proportional to 12,288.33, 16,957.95 and 6,983.43

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Solution

The fourth proportional to 12,288.33, 16,957.95 and 6,983.43 is: 9,637.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,288.33 : 16,957.95 = 6,983.43 : x
  2. Step 2: Convert to fraction form
    12,288.33/16,957.95 = 6,983.43/x
  3. Step 3: Cross multiply
    12,288.33x = 16,957.95 × 6,983.43
  4. Step 4: Simplify right side
    12,288.33x = 118,424,656.77
  5. Step 5: Solve for x
    x = 118,424,656.77/12,288.33
  6. Step 6: Final answer
    x = 9,637.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.