Home / 16,434.36-22,631.64-14,280

Finding the Fourth Proportional to 16,434.36, 22,631.64 and 14,280

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Solution

The fourth proportional to 16,434.36, 22,631.64 and 14,280 is: 19,664.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,434.36 : 22,631.64 = 14,280 : x
  2. Step 2: Convert to fraction form
    16,434.36/22,631.64 = 14,280/x
  3. Step 3: Cross multiply
    16,434.36x = 22,631.64 × 14,280
  4. Step 4: Simplify right side
    16,434.36x = 323,179,819.20
  5. Step 5: Solve for x
    x = 323,179,819.20/16,434.36
  6. Step 6: Final answer
    x = 19,664.89

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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.