Home / 16,780.77-25,178.45-14,936.40

Finding the Fourth Proportional to 16,780.77, 25,178.45 and 14,936.40

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Solution

The fourth proportional to 16,780.77, 25,178.45 and 14,936.40 is: 22,411.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,780.77 : 25,178.45 = 14,936.40 : x
  2. Step 2: Convert to fraction form
    16,780.77/25,178.45 = 14,936.40/x
  3. Step 3: Cross multiply
    16,780.77x = 25,178.45 × 14,936.40
  4. Step 4: Simplify right side
    16,780.77x = 376,075,325.90
  5. Step 5: Solve for x
    x = 376,075,325.90/16,780.77
  6. Step 6: Final answer
    x = 22,411.09

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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.