Home / 16,309.60-22,504.16-15,479.14

Finding the Fourth Proportional to 16,309.60, 22,504.16 and 15,479.14

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Solution

The fourth proportional to 16,309.60, 22,504.16 and 15,479.14 is: 21,358.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,309.60 : 22,504.16 = 15,479.14 : x
  2. Step 2: Convert to fraction form
    16,309.60/22,504.16 = 15,479.14/x
  3. Step 3: Cross multiply
    16,309.60x = 22,504.16 × 15,479.14
  4. Step 4: Simplify right side
    16,309.60x = 348,345,043.22
  5. Step 5: Solve for x
    x = 348,345,043.22/16,309.60
  6. Step 6: Final answer
    x = 21,358.28

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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.