Home / 14,154.08-21,234.75-5,384.21

Finding the Fourth Proportional to 14,154.08, 21,234.75 and 5,384.21

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Solution

The fourth proportional to 14,154.08, 21,234.75 and 5,384.21 is: 8,077.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,154.08 : 21,234.75 = 5,384.21 : x
  2. Step 2: Convert to fraction form
    14,154.08/21,234.75 = 5,384.21/x
  3. Step 3: Cross multiply
    14,154.08x = 21,234.75 × 5,384.21
  4. Step 4: Simplify right side
    14,154.08x = 114,332,247.12
  5. Step 5: Solve for x
    x = 114,332,247.12/14,154.08
  6. Step 6: Final answer
    x = 8,077.69

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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.