Home / 15,273.16-21,052.20-10,789.72

Finding the Fourth Proportional to 15,273.16, 21,052.20 and 10,789.72

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Solution

The fourth proportional to 15,273.16, 21,052.20 and 10,789.72 is: 14,872.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,273.16 : 21,052.20 = 10,789.72 : x
  2. Step 2: Convert to fraction form
    15,273.16/21,052.20 = 10,789.72/x
  3. Step 3: Cross multiply
    15,273.16x = 21,052.20 × 10,789.72
  4. Step 4: Simplify right side
    15,273.16x = 227,147,343.38
  5. Step 5: Solve for x
    x = 227,147,343.38/15,273.16
  6. Step 6: Final answer
    x = 14,872.32

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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.