Home / 14,138.05-21,210.41-4,277.41

Finding the Fourth Proportional to 14,138.05, 21,210.41 and 4,277.41

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Solution

The fourth proportional to 14,138.05, 21,210.41 and 4,277.41 is: 6,417.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,138.05 : 21,210.41 = 4,277.41 : x
  2. Step 2: Convert to fraction form
    14,138.05/21,210.41 = 4,277.41/x
  3. Step 3: Cross multiply
    14,138.05x = 21,210.41 × 4,277.41
  4. Step 4: Simplify right side
    14,138.05x = 90,725,619.84
  5. Step 5: Solve for x
    x = 90,725,619.84/14,138.05
  6. Step 6: Final answer
    x = 6,417.12

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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.