Home / 14,342.94-21,499.04-6,937.21

Finding the Fourth Proportional to 14,342.94, 21,499.04 and 6,937.21

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Solution

The fourth proportional to 14,342.94, 21,499.04 and 6,937.21 is: 10,398.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,342.94 : 21,499.04 = 6,937.21 : x
  2. Step 2: Convert to fraction form
    14,342.94/21,499.04 = 6,937.21/x
  3. Step 3: Cross multiply
    14,342.94x = 21,499.04 × 6,937.21
  4. Step 4: Simplify right side
    14,342.94x = 149,143,360.47
  5. Step 5: Solve for x
    x = 149,143,360.47/14,342.94
  6. Step 6: Final answer
    x = 10,398.38

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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.