Home / 19,009.28-26,205.36-13,031.48

Finding the Fourth Proportional to 19,009.28, 26,205.36 and 13,031.48

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Solution

The fourth proportional to 19,009.28, 26,205.36 and 13,031.48 is: 17,964.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,009.28 : 26,205.36 = 13,031.48 : x
  2. Step 2: Convert to fraction form
    19,009.28/26,205.36 = 13,031.48/x
  3. Step 3: Cross multiply
    19,009.28x = 26,205.36 × 13,031.48
  4. Step 4: Simplify right side
    19,009.28x = 341,494,624.73
  5. Step 5: Solve for x
    x = 341,494,624.73/19,009.28
  6. Step 6: Final answer
    x = 17,964.63

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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.