Home / 14,123.90-21,185.98-4,263.26

Finding the Fourth Proportional to 14,123.90, 21,185.98 and 4,263.26

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Solution

The fourth proportional to 14,123.90, 21,185.98 and 4,263.26 is: 6,394.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,123.90 : 21,185.98 = 4,263.26 : x
  2. Step 2: Convert to fraction form
    14,123.90/21,185.98 = 4,263.26/x
  3. Step 3: Cross multiply
    14,123.90x = 21,185.98 × 4,263.26
  4. Step 4: Simplify right side
    14,123.90x = 90,321,341.09
  5. Step 5: Solve for x
    x = 90,321,341.09/14,123.90
  6. Step 6: Final answer
    x = 6,394.93

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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.