Home / 14,145.41-21,220.70-4,658.26

Finding the Fourth Proportional to 14,145.41, 21,220.70 and 4,658.26

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Solution

The fourth proportional to 14,145.41, 21,220.70 and 4,658.26 is: 6,988.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,145.41 : 21,220.70 = 4,658.26 : x
  2. Step 2: Convert to fraction form
    14,145.41/21,220.70 = 4,658.26/x
  3. Step 3: Cross multiply
    14,145.41x = 21,220.70 × 4,658.26
  4. Step 4: Simplify right side
    14,145.41x = 98,851,537.98
  5. Step 5: Solve for x
    x = 98,851,537.98/14,145.41
  6. Step 6: Final answer
    x = 6,988.24

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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.