Home / 14,137.70-21,206.55-13,331.30

Finding the Fourth Proportional to 14,137.70, 21,206.55 and 13,331.30

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Solution

The fourth proportional to 14,137.70, 21,206.55 and 13,331.30 is: 19,996.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,137.70 : 21,206.55 = 13,331.30 : x
  2. Step 2: Convert to fraction form
    14,137.70/21,206.55 = 13,331.30/x
  3. Step 3: Cross multiply
    14,137.70x = 21,206.55 × 13,331.30
  4. Step 4: Simplify right side
    14,137.70x = 282,710,880.02
  5. Step 5: Solve for x
    x = 282,710,880.02/14,137.70
  6. Step 6: Final answer
    x = 19,996.95

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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.