Home / 12,285.02-16,952.70-6,979.70

Finding the Fourth Proportional to 12,285.02, 16,952.70 and 6,979.70

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Solution

The fourth proportional to 12,285.02, 16,952.70 and 6,979.70 is: 9,631.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,285.02 : 16,952.70 = 6,979.70 : x
  2. Step 2: Convert to fraction form
    12,285.02/16,952.70 = 6,979.70/x
  3. Step 3: Cross multiply
    12,285.02x = 16,952.70 × 6,979.70
  4. Step 4: Simplify right side
    12,285.02x = 118,324,760.19
  5. Step 5: Solve for x
    x = 118,324,760.19/12,285.02
  6. Step 6: Final answer
    x = 9,631.63

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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.