Home / 16,260.84-22,455.90-13,889.16

Finding the Fourth Proportional to 16,260.84, 22,455.90 and 13,889.16

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Solution

The fourth proportional to 16,260.84, 22,455.90 and 13,889.16 is: 19,180.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,260.84 : 22,455.90 = 13,889.16 : x
  2. Step 2: Convert to fraction form
    16,260.84/22,455.90 = 13,889.16/x
  3. Step 3: Cross multiply
    16,260.84x = 22,455.90 × 13,889.16
  4. Step 4: Simplify right side
    16,260.84x = 311,893,588.04
  5. Step 5: Solve for x
    x = 311,893,588.04/16,260.84
  6. Step 6: Final answer
    x = 19,180.66

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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.