Home / 11,979.50-16,531.02-6,674.13

Finding the Fourth Proportional to 11,979.50, 16,531.02 and 6,674.13

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Solution

The fourth proportional to 11,979.50, 16,531.02 and 6,674.13 is: 9,209.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,979.50 : 16,531.02 = 6,674.13 : x
  2. Step 2: Convert to fraction form
    11,979.50/16,531.02 = 6,674.13/x
  3. Step 3: Cross multiply
    11,979.50x = 16,531.02 × 6,674.13
  4. Step 4: Simplify right side
    11,979.50x = 110,330,176.51
  5. Step 5: Solve for x
    x = 110,330,176.51/11,979.50
  6. Step 6: Final answer
    x = 9,209.92

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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.