Home / 14,137.30-21,205.95-14,040.10

Finding the Fourth Proportional to 14,137.30, 21,205.95 and 14,040.10

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Solution

The fourth proportional to 14,137.30, 21,205.95 and 14,040.10 is: 21,060.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,137.30 : 21,205.95 = 14,040.10 : x
  2. Step 2: Convert to fraction form
    14,137.30/21,205.95 = 14,040.10/x
  3. Step 3: Cross multiply
    14,137.30x = 21,205.95 × 14,040.10
  4. Step 4: Simplify right side
    14,137.30x = 297,733,658.60
  5. Step 5: Solve for x
    x = 297,733,658.60/14,137.30
  6. Step 6: Final answer
    x = 21,060.15

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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.