Home / 14,123.86-21,185.93-4,263.23

Finding the Fourth Proportional to 14,123.86, 21,185.93 and 4,263.23

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Solution

The fourth proportional to 14,123.86, 21,185.93 and 4,263.23 is: 6,394.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,123.86 : 21,185.93 = 4,263.23 : x
  2. Step 2: Convert to fraction form
    14,123.86/21,185.93 = 4,263.23/x
  3. Step 3: Cross multiply
    14,123.86x = 21,185.93 × 4,263.23
  4. Step 4: Simplify right side
    14,123.86x = 90,320,381.10
  5. Step 5: Solve for x
    x = 90,320,381.10/14,123.86
  6. Step 6: Final answer
    x = 6,394.88

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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.