Home / 14,083.75-21,125.63-3,695.50

Finding the Fourth Proportional to 14,083.75, 21,125.63 and 3,695.50

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Solution

The fourth proportional to 14,083.75, 21,125.63 and 3,695.50 is: 5,543.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,083.75 : 21,125.63 = 3,695.50 : x
  2. Step 2: Convert to fraction form
    14,083.75/21,125.63 = 3,695.50/x
  3. Step 3: Cross multiply
    14,083.75x = 21,125.63 × 3,695.50
  4. Step 4: Simplify right side
    14,083.75x = 78,069,765.67
  5. Step 5: Solve for x
    x = 78,069,765.67/14,083.75
  6. Step 6: Final answer
    x = 5,543.25

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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.