Home / 12,631.54-17,430.77-6,966.02

Finding the Fourth Proportional to 12,631.54, 17,430.77 and 6,966.02

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Solution

The fourth proportional to 12,631.54, 17,430.77 and 6,966.02 is: 9,612.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,631.54 : 17,430.77 = 6,966.02 : x
  2. Step 2: Convert to fraction form
    12,631.54/17,430.77 = 6,966.02/x
  3. Step 3: Cross multiply
    12,631.54x = 17,430.77 × 6,966.02
  4. Step 4: Simplify right side
    12,631.54x = 121,423,092.44
  5. Step 5: Solve for x
    x = 121,423,092.44/12,631.54
  6. Step 6: Final answer
    x = 9,612.69

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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.