Home / 12,359.40-17,055.98-6,694.16

Finding the Fourth Proportional to 12,359.40, 17,055.98 and 6,694.16

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Solution

The fourth proportional to 12,359.40, 17,055.98 and 6,694.16 is: 9,237.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,359.40 : 17,055.98 = 6,694.16 : x
  2. Step 2: Convert to fraction form
    12,359.40/17,055.98 = 6,694.16/x
  3. Step 3: Cross multiply
    12,359.40x = 17,055.98 × 6,694.16
  4. Step 4: Simplify right side
    12,359.40x = 114,175,459.08
  5. Step 5: Solve for x
    x = 114,175,459.08/12,359.40
  6. Step 6: Final answer
    x = 9,237.95

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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.