Home / 14,239.38-21,363.84-8,011.54

Finding the Fourth Proportional to 14,239.38, 21,363.84 and 8,011.54

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Solution

The fourth proportional to 14,239.38, 21,363.84 and 8,011.54 is: 12,019.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,239.38 : 21,363.84 = 8,011.54 : x
  2. Step 2: Convert to fraction form
    14,239.38/21,363.84 = 8,011.54/x
  3. Step 3: Cross multiply
    14,239.38x = 21,363.84 × 8,011.54
  4. Step 4: Simplify right side
    14,239.38x = 171,157,258.71
  5. Step 5: Solve for x
    x = 171,157,258.71/14,239.38
  6. Step 6: Final answer
    x = 12,019.99

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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.