Home / 15,273.60-21,087.72-11,730.48

Finding the Fourth Proportional to 15,273.60, 21,087.72 and 11,730.48

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Solution

The fourth proportional to 15,273.60, 21,087.72 and 11,730.48 is: 16,195.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,273.60 : 21,087.72 = 11,730.48 : x
  2. Step 2: Convert to fraction form
    15,273.60/21,087.72 = 11,730.48/x
  3. Step 3: Cross multiply
    15,273.60x = 21,087.72 × 11,730.48
  4. Step 4: Simplify right side
    15,273.60x = 247,369,077.71
  5. Step 5: Solve for x
    x = 247,369,077.71/15,273.60
  6. Step 6: Final answer
    x = 16,195.86

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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.