Home / 14,203.76-21,309.68-5,772.87

Finding the Fourth Proportional to 14,203.76, 21,309.68 and 5,772.87

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Solution

The fourth proportional to 14,203.76, 21,309.68 and 5,772.87 is: 8,660.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,203.76 : 21,309.68 = 5,772.87 : x
  2. Step 2: Convert to fraction form
    14,203.76/21,309.68 = 5,772.87/x
  3. Step 3: Cross multiply
    14,203.76x = 21,309.68 × 5,772.87
  4. Step 4: Simplify right side
    14,203.76x = 123,018,026.81
  5. Step 5: Solve for x
    x = 123,018,026.81/14,203.76
  6. Step 6: Final answer
    x = 8,660.95

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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.