Home / 21,594.36-32,318.38-13,279.64

Finding the Fourth Proportional to 21,594.36, 32,318.38 and 13,279.64

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Solution

The fourth proportional to 21,594.36, 32,318.38 and 13,279.64 is: 19,874.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,594.36 : 32,318.38 = 13,279.64 : x
  2. Step 2: Convert to fraction form
    21,594.36/32,318.38 = 13,279.64/x
  3. Step 3: Cross multiply
    21,594.36x = 32,318.38 × 13,279.64
  4. Step 4: Simplify right side
    21,594.36x = 429,176,451.78
  5. Step 5: Solve for x
    x = 429,176,451.78/21,594.36
  6. Step 6: Final answer
    x = 19,874.47

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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.