Home / 16,803.82-25,115.03-14,678.77

Finding the Fourth Proportional to 16,803.82, 25,115.03 and 14,678.77

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Solution

The fourth proportional to 16,803.82, 25,115.03 and 14,678.77 is: 21,938.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,803.82 : 25,115.03 = 14,678.77 : x
  2. Step 2: Convert to fraction form
    16,803.82/25,115.03 = 14,678.77/x
  3. Step 3: Cross multiply
    16,803.82x = 25,115.03 × 14,678.77
  4. Step 4: Simplify right side
    16,803.82x = 368,657,748.91
  5. Step 5: Solve for x
    x = 368,657,748.91/16,803.82
  6. Step 6: Final answer
    x = 21,938.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.