Home / 19,983.66-30,001.41-13,088.94

Finding the Fourth Proportional to 19,983.66, 30,001.41 and 13,088.94

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Solution

The fourth proportional to 19,983.66, 30,001.41 and 13,088.94 is: 19,650.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,983.66 : 30,001.41 = 13,088.94 : x
  2. Step 2: Convert to fraction form
    19,983.66/30,001.41 = 13,088.94/x
  3. Step 3: Cross multiply
    19,983.66x = 30,001.41 × 13,088.94
  4. Step 4: Simplify right side
    19,983.66x = 392,686,655.41
  5. Step 5: Solve for x
    x = 392,686,655.41/19,983.66
  6. Step 6: Final answer
    x = 19,650.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.