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Finding the Fourth Proportional to 14,953.50, 22,439.97 and 5,719.50

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Solution

The fourth proportional to 14,953.50, 22,439.97 and 5,719.50 is: 8,582.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,953.50 : 22,439.97 = 5,719.50 : x
  2. Step 2: Convert to fraction form
    14,953.50/22,439.97 = 5,719.50/x
  3. Step 3: Cross multiply
    14,953.50x = 22,439.97 × 5,719.50
  4. Step 4: Simplify right side
    14,953.50x = 128,345,408.42
  5. Step 5: Solve for x
    x = 128,345,408.42/14,953.50
  6. Step 6: Final answer
    x = 8,582.97

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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.