Home / 19,289.64-26,614.83-11,330.31

Finding the Fourth Proportional to 19,289.64, 26,614.83 and 11,330.31

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Solution

The fourth proportional to 19,289.64, 26,614.83 and 11,330.31 is: 15,632.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,289.64 : 26,614.83 = 11,330.31 : x
  2. Step 2: Convert to fraction form
    19,289.64/26,614.83 = 11,330.31/x
  3. Step 3: Cross multiply
    19,289.64x = 26,614.83 × 11,330.31
  4. Step 4: Simplify right side
    19,289.64x = 301,554,274.50
  5. Step 5: Solve for x
    x = 301,554,274.50/19,289.64
  6. Step 6: Final answer
    x = 15,632.97

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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.