Home / 12,366.86-17,065.70-6,777.74

Finding the Fourth Proportional to 12,366.86, 17,065.70 and 6,777.74

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Solution

The fourth proportional to 12,366.86, 17,065.70 and 6,777.74 is: 9,352.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,366.86 : 17,065.70 = 6,777.74 : x
  2. Step 2: Convert to fraction form
    12,366.86/17,065.70 = 6,777.74/x
  3. Step 3: Cross multiply
    12,366.86x = 17,065.70 × 6,777.74
  4. Step 4: Simplify right side
    12,366.86x = 115,666,877.52
  5. Step 5: Solve for x
    x = 115,666,877.52/12,366.86
  6. Step 6: Final answer
    x = 9,352.97

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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.