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Finding the Fourth Proportional to 14,703.12, 22,039.98 and 5,942.94

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Solution

The fourth proportional to 14,703.12, 22,039.98 and 5,942.94 is: 8,908.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,703.12 : 22,039.98 = 5,942.94 : x
  2. Step 2: Convert to fraction form
    14,703.12/22,039.98 = 5,942.94/x
  3. Step 3: Cross multiply
    14,703.12x = 22,039.98 × 5,942.94
  4. Step 4: Simplify right side
    14,703.12x = 130,982,278.74
  5. Step 5: Solve for x
    x = 130,982,278.74/14,703.12
  6. Step 6: Final answer
    x = 8,908.47

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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.