Home / 11,718.02-16,171.28-6,412.83

Finding the Fourth Proportional to 11,718.02, 16,171.28 and 6,412.83

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Solution

The fourth proportional to 11,718.02, 16,171.28 and 6,412.83 is: 8,849.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,718.02 : 16,171.28 = 6,412.83 : x
  2. Step 2: Convert to fraction form
    11,718.02/16,171.28 = 6,412.83/x
  3. Step 3: Cross multiply
    11,718.02x = 16,171.28 × 6,412.83
  4. Step 4: Simplify right side
    11,718.02x = 103,703,637.46
  5. Step 5: Solve for x
    x = 103,703,637.46/11,718.02
  6. Step 6: Final answer
    x = 8,849.93

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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.