Home / 19,350.64-26,709.96-10,972.72

Finding the Fourth Proportional to 19,350.64, 26,709.96 and 10,972.72

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Solution

The fourth proportional to 19,350.64, 26,709.96 and 10,972.72 is: 15,145.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,350.64 : 26,709.96 = 10,972.72 : x
  2. Step 2: Convert to fraction form
    19,350.64/26,709.96 = 10,972.72/x
  3. Step 3: Cross multiply
    19,350.64x = 26,709.96 × 10,972.72
  4. Step 4: Simplify right side
    19,350.64x = 293,080,912.29
  5. Step 5: Solve for x
    x = 293,080,912.29/19,350.64
  6. Step 6: Final answer
    x = 15,145.80

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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.