Home / 14,125.50-21,189.47-3,737.25

Finding the Fourth Proportional to 14,125.50, 21,189.47 and 3,737.25

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Solution

The fourth proportional to 14,125.50, 21,189.47 and 3,737.25 is: 5,606.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,125.50 : 21,189.47 = 3,737.25 : x
  2. Step 2: Convert to fraction form
    14,125.50/21,189.47 = 3,737.25/x
  3. Step 3: Cross multiply
    14,125.50x = 21,189.47 × 3,737.25
  4. Step 4: Simplify right side
    14,125.50x = 79,190,328.07
  5. Step 5: Solve for x
    x = 79,190,328.07/14,125.50
  6. Step 6: Final answer
    x = 5,606.20

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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.