Home / 18,112.71-27,176.85-9,798.59

Finding the Fourth Proportional to 18,112.71, 27,176.85 and 9,798.59

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Solution

The fourth proportional to 18,112.71, 27,176.85 and 9,798.59 is: 14,702.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,112.71 : 27,176.85 = 9,798.59 : x
  2. Step 2: Convert to fraction form
    18,112.71/27,176.85 = 9,798.59/x
  3. Step 3: Cross multiply
    18,112.71x = 27,176.85 × 9,798.59
  4. Step 4: Simplify right side
    18,112.71x = 266,294,674.76
  5. Step 5: Solve for x
    x = 266,294,674.76/18,112.71
  6. Step 6: Final answer
    x = 14,702.09

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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.