Home / 13,186.59-19,784.75-6,946.35

Finding the Fourth Proportional to 13,186.59, 19,784.75 and 6,946.35

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Solution

The fourth proportional to 13,186.59, 19,784.75 and 6,946.35 is: 10,422.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,186.59 : 19,784.75 = 6,946.35 : x
  2. Step 2: Convert to fraction form
    13,186.59/19,784.75 = 6,946.35/x
  3. Step 3: Cross multiply
    13,186.59x = 19,784.75 × 6,946.35
  4. Step 4: Simplify right side
    13,186.59x = 137,431,798.16
  5. Step 5: Solve for x
    x = 137,431,798.16/13,186.59
  6. Step 6: Final answer
    x = 10,422.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.