Home / 14,059.20-21,089.40-3,670.68

Finding the Fourth Proportional to 14,059.20, 21,089.40 and 3,670.68

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Solution

The fourth proportional to 14,059.20, 21,089.40 and 3,670.68 is: 5,506.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,059.20 : 21,089.40 = 3,670.68 : x
  2. Step 2: Convert to fraction form
    14,059.20/21,089.40 = 3,670.68/x
  3. Step 3: Cross multiply
    14,059.20x = 21,089.40 × 3,670.68
  4. Step 4: Simplify right side
    14,059.20x = 77,412,438.79
  5. Step 5: Solve for x
    x = 77,412,438.79/14,059.20
  6. Step 6: Final answer
    x = 5,506.18

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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.