Home / 14,356.05-21,540.36-5,587.94

Finding the Fourth Proportional to 14,356.05, 21,540.36 and 5,587.94

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Solution

The fourth proportional to 14,356.05, 21,540.36 and 5,587.94 is: 8,384.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,356.05 : 21,540.36 = 5,587.94 : x
  2. Step 2: Convert to fraction form
    14,356.05/21,540.36 = 5,587.94/x
  3. Step 3: Cross multiply
    14,356.05x = 21,540.36 × 5,587.94
  4. Step 4: Simplify right side
    14,356.05x = 120,366,131.56
  5. Step 5: Solve for x
    x = 120,366,131.56/14,356.05
  6. Step 6: Final answer
    x = 8,384.35

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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.