Home / 14,073.90-21,111.93-4,212.42

Finding the Fourth Proportional to 14,073.90, 21,111.93 and 4,212.42

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Solution

The fourth proportional to 14,073.90, 21,111.93 and 4,212.42 is: 6,318.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,073.90 : 21,111.93 = 4,212.42 : x
  2. Step 2: Convert to fraction form
    14,073.90/21,111.93 = 4,212.42/x
  3. Step 3: Cross multiply
    14,073.90x = 21,111.93 × 4,212.42
  4. Step 4: Simplify right side
    14,073.90x = 88,932,316.17
  5. Step 5: Solve for x
    x = 88,932,316.17/14,073.90
  6. Step 6: Final answer
    x = 6,318.95

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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.