Home / 12,359.71-17,056.36-6,694.45

Finding the Fourth Proportional to 12,359.71, 17,056.36 and 6,694.45

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Solution

The fourth proportional to 12,359.71, 17,056.36 and 6,694.45 is: 9,238.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,359.71 : 17,056.36 = 6,694.45 : x
  2. Step 2: Convert to fraction form
    12,359.71/17,056.36 = 6,694.45/x
  3. Step 3: Cross multiply
    12,359.71x = 17,056.36 × 6,694.45
  4. Step 4: Simplify right side
    12,359.71x = 114,182,889.82
  5. Step 5: Solve for x
    x = 114,182,889.82/12,359.71
  6. Step 6: Final answer
    x = 9,238.32

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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.