Home / 21,983.49-30,335.78-14,024.87

Finding the Fourth Proportional to 21,983.49, 30,335.78 and 14,024.87

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Solution

The fourth proportional to 21,983.49, 30,335.78 and 14,024.87 is: 19,353.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,983.49 : 30,335.78 = 14,024.87 : x
  2. Step 2: Convert to fraction form
    21,983.49/30,335.78 = 14,024.87/x
  3. Step 3: Cross multiply
    21,983.49x = 30,335.78 × 14,024.87
  4. Step 4: Simplify right side
    21,983.49x = 425,455,149.05
  5. Step 5: Solve for x
    x = 425,455,149.05/21,983.49
  6. Step 6: Final answer
    x = 19,353.39

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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.